Finding the Third Proportional to 56,285.50 and 89,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,285.50 : 89,126.50 = 89,126.50 : x
2. Step 2: Convert to fraction form
   56,285.50/89,126.50 = 89,126.50/x
3. Step 3: Cross multiply
   56,285.50x = 89,126.50 × 89,126.50
4. Step 4: Simplify right side
   56,285.50x = 7,943,533,002.25
5. Step 5: Solve for x
   x = 7,943,533,002.25/56,285.50
6. Step 6: Final answer
   x = 141,129.30