Finding the Third Proportional to 56,064 and 86,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,064 : 86,866.50 = 86,866.50 : x
2. Step 2: Convert to fraction form
   56,064/86,866.50 = 86,866.50/x
3. Step 3: Cross multiply
   56,064x = 86,866.50 × 86,866.50
4. Step 4: Simplify right side
   56,064x = 7,545,788,822.25
5. Step 5: Solve for x
   x = 7,545,788,822.25/56,064
6. Step 6: Final answer
   x = 134,592.41