Finding the Third Proportional to 72,158.50 and 107,468

Step by Step Solution

1. Step 1: Write the proportion equation
   72,158.50 : 107,468 = 107,468 : x
2. Step 2: Convert to fraction form
   72,158.50/107,468 = 107,468/x
3. Step 3: Cross multiply
   72,158.50x = 107,468 × 107,468
4. Step 4: Simplify right side
   72,158.50x = 11,549,371,024
5. Step 5: Solve for x
   x = 11,549,371,024/72,158.50
6. Step 6: Final answer
   x = 160,055.59