Finding the Third Proportional to 59,580,426 and 128,566,244

Step by Step Solution

1. Step 1: Write the proportion equation
   59,580,426 : 128,566,244 = 128,566,244 : x
2. Step 2: Convert to fraction form
   59,580,426/128,566,244 = 128,566,244/x
3. Step 3: Cross multiply
   59,580,426x = 128,566,244 × 128,566,244
4. Step 4: Simplify right side
   59,580,426x = 16,529,279,096,267,536
5. Step 5: Solve for x
   x = 16,529,279,096,267,536/59,580,426
6. Step 6: Final answer
   x = 277,428,011.28