Finding the Third Proportional to 57,441 and 85,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,441 : 85,816.50 = 85,816.50 : x
2. Step 2: Convert to fraction form
   57,441/85,816.50 = 85,816.50/x
3. Step 3: Cross multiply
   57,441x = 85,816.50 × 85,816.50
4. Step 4: Simplify right side
   57,441x = 7,364,471,672.25
5. Step 5: Solve for x
   x = 7,364,471,672.25/57,441
6. Step 6: Final answer
   x = 128,209.32