Finding the Third Proportional to 1,248,692,747,110 and 1,986,915,633,837

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,692,747,110 : 1,986,915,633,837 = 1,986,915,633,837 : x
2. Step 2: Convert to fraction form
   1,248,692,747,110/1,986,915,633,837 = 1,986,915,633,837/x
3. Step 3: Cross multiply
   1,248,692,747,110x = 1,986,915,633,837 × 1,986,915,633,837
4. Step 4: Simplify right side
   1,248,692,747,110x = 3,947,833,735,985,887,476,449,280
5. Step 5: Solve for x
   x = 3,947,833,735,985,887,476,449,280/1,248,692,747,110
6. Step 6: Final answer
   x = 3,161,573,369,528.12