Finding the Third Proportional to 32,938,568 and 72,578,320

Step by Step Solution

1. Step 1: Write the proportion equation
   32,938,568 : 72,578,320 = 72,578,320 : x
2. Step 2: Convert to fraction form
   32,938,568/72,578,320 = 72,578,320/x
3. Step 3: Cross multiply
   32,938,568x = 72,578,320 × 72,578,320
4. Step 4: Simplify right side
   32,938,568x = 5,267,612,534,022,400
5. Step 5: Solve for x
   x = 5,267,612,534,022,400/32,938,568
6. Step 6: Final answer
   x = 159,922,329.78