Finding the Third Proportional to 56,349 and 86,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,349 : 86,521.50 = 86,521.50 : x
2. Step 2: Convert to fraction form
   56,349/86,521.50 = 86,521.50/x
3. Step 3: Cross multiply
   56,349x = 86,521.50 × 86,521.50
4. Step 4: Simplify right side
   56,349x = 7,485,969,962.25
5. Step 5: Solve for x
   x = 7,485,969,962.25/56,349
6. Step 6: Final answer
   x = 132,850.09