Finding the Third Proportional to 56,362.50 and 86,663.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,362.50 : 86,663.25 = 86,663.25 : x
2. Step 2: Convert to fraction form
   56,362.50/86,663.25 = 86,663.25/x
3. Step 3: Cross multiply
   56,362.50x = 86,663.25 × 86,663.25
4. Step 4: Simplify right side
   56,362.50x = 7,510,518,900.56
5. Step 5: Solve for x
   x = 7,510,518,900.56/56,362.50
6. Step 6: Final answer
   x = 133,253.83