Finding the Third Proportional to 64,057.50 and 102,918

Step by Step Solution

1. Step 1: Write the proportion equation
   64,057.50 : 102,918 = 102,918 : x
2. Step 2: Convert to fraction form
   64,057.50/102,918 = 102,918/x
3. Step 3: Cross multiply
   64,057.50x = 102,918 × 102,918
4. Step 4: Simplify right side
   64,057.50x = 10,592,114,724
5. Step 5: Solve for x
   x = 10,592,114,724/64,057.50
6. Step 6: Final answer
   x = 165,353.23