Finding the Third Proportional to 59,049,442 and 128,843,856

Step by Step Solution

1. Step 1: Write the proportion equation
   59,049,442 : 128,843,856 = 128,843,856 : x
2. Step 2: Convert to fraction form
   59,049,442/128,843,856 = 128,843,856/x
3. Step 3: Cross multiply
   59,049,442x = 128,843,856 × 128,843,856
4. Step 4: Simplify right side
   59,049,442x = 16,600,739,228,948,736
5. Step 5: Solve for x
   x = 16,600,739,228,948,736/59,049,442
6. Step 6: Final answer
   x = 281,132,872.16