Finding the Third Proportional to 64,171.50 and 103,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,171.50 : 103,387.50 = 103,387.50 : x
2. Step 2: Convert to fraction form
   64,171.50/103,387.50 = 103,387.50/x
3. Step 3: Cross multiply
   64,171.50x = 103,387.50 × 103,387.50
4. Step 4: Simplify right side
   64,171.50x = 10,688,975,156.25
5. Step 5: Solve for x
   x = 10,688,975,156.25/64,171.50
6. Step 6: Final answer
   x = 166,568.88