Finding the Third Proportional to 39,263,643 and 83,986,038

Step by Step Solution

1. Step 1: Write the proportion equation
   39,263,643 : 83,986,038 = 83,986,038 : x
2. Step 2: Convert to fraction form
   39,263,643/83,986,038 = 83,986,038/x
3. Step 3: Cross multiply
   39,263,643x = 83,986,038 × 83,986,038
4. Step 4: Simplify right side
   39,263,643x = 7,053,654,578,937,444
5. Step 5: Solve for x
   x = 7,053,654,578,937,444/39,263,643
6. Step 6: Final answer
   x = 179,648,500.24