Finding the Third Proportional to 73,990 and 115,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,990 : 115,943.50 = 115,943.50 : x
2. Step 2: Convert to fraction form
   73,990/115,943.50 = 115,943.50/x
3. Step 3: Cross multiply
   73,990x = 115,943.50 × 115,943.50
4. Step 4: Simplify right side
   73,990x = 13,442,895,192.25
5. Step 5: Solve for x
   x = 13,442,895,192.25/73,990
6. Step 6: Final answer
   x = 181,685.30