Finding the Third Proportional to 71,942.50 and 106,518

Step by Step Solution

1. Step 1: Write the proportion equation
   71,942.50 : 106,518 = 106,518 : x
2. Step 2: Convert to fraction form
   71,942.50/106,518 = 106,518/x
3. Step 3: Cross multiply
   71,942.50x = 106,518 × 106,518
4. Step 4: Simplify right side
   71,942.50x = 11,346,084,324
5. Step 5: Solve for x
   x = 11,346,084,324/71,942.50
6. Step 6: Final answer
   x = 157,710.45