Finding the Third Proportional to 59,454,312 and 86,887,404

Step by Step Solution

1. Step 1: Write the proportion equation
   59,454,312 : 86,887,404 = 86,887,404 : x
2. Step 2: Convert to fraction form
   59,454,312/86,887,404 = 86,887,404/x
3. Step 3: Cross multiply
   59,454,312x = 86,887,404 × 86,887,404
4. Step 4: Simplify right side
   59,454,312x = 7,549,420,973,859,216
5. Step 5: Solve for x
   x = 7,549,420,973,859,216/59,454,312
6. Step 6: Final answer
   x = 126,978,527.21