Finding the Third Proportional to 59,854,304 and 128,659,480

Step by Step Solution

1. Step 1: Write the proportion equation
   59,854,304 : 128,659,480 = 128,659,480 : x
2. Step 2: Convert to fraction form
   59,854,304/128,659,480 = 128,659,480/x
3. Step 3: Cross multiply
   59,854,304x = 128,659,480 × 128,659,480
4. Step 4: Simplify right side
   59,854,304x = 16,553,261,793,870,400
5. Step 5: Solve for x
   x = 16,553,261,793,870,400/59,854,304
6. Step 6: Final answer
   x = 276,559,256.19