Finding the Third Proportional to 59,455,728.84 and 90,960,625.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,455,728.84 : 90,960,625.69 = 90,960,625.69 : x
2. Step 2: Convert to fraction form
   59,455,728.84/90,960,625.69 = 90,960,625.69/x
3. Step 3: Cross multiply
   59,455,728.84x = 90,960,625.69 × 90,960,625.69
4. Step 4: Simplify right side
   59,455,728.84x = 8,273,835,425,461,485
5. Step 5: Solve for x
   x = 8,273,835,425,461,485/59,455,728.84
6. Step 6: Final answer
   x = 139,159,599.69