Finding the Third Proportional to 10,010,989,642 and 13,633,259,132

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010,989,642 : 13,633,259,132 = 13,633,259,132 : x
2. Step 2: Convert to fraction form
   10,010,989,642/13,633,259,132 = 13,633,259,132/x
3. Step 3: Cross multiply
   10,010,989,642x = 13,633,259,132 × 13,633,259,132
4. Step 4: Simplify right side
   10,010,989,642x = 185,865,754,560,261,390,336
5. Step 5: Solve for x
   x = 185,865,754,560,261,390,336/10,010,989,642
6. Step 6: Final answer
   x = 18,566,171,897.78