Finding the Third Proportional to 1,947,087,421 and 4,591,732,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947,087,421 : 4,591,732,110.50 = 4,591,732,110.50 : x
2. Step 2: Convert to fraction form
   1,947,087,421/4,591,732,110.50 = 4,591,732,110.50/x
3. Step 3: Cross multiply
   1,947,087,421x = 4,591,732,110.50 × 4,591,732,110.50
4. Step 4: Simplify right side
   1,947,087,421x = 21,084,003,774,596,784,128
5. Step 5: Solve for x
   x = 21,084,003,774,596,784,128/1,947,087,421
6. Step 6: Final answer
   x = 10,828,483,378.40