Finding the Third Proportional to 73,981 and 112,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,981 : 112,815.50 = 112,815.50 : x
2. Step 2: Convert to fraction form
   73,981/112,815.50 = 112,815.50/x
3. Step 3: Cross multiply
   73,981x = 112,815.50 × 112,815.50
4. Step 4: Simplify right side
   73,981x = 12,727,337,040.25
5. Step 5: Solve for x
   x = 12,727,337,040.25/73,981
6. Step 6: Final answer
   x = 172,035.21