Finding the Third Proportional to 71,223.75 and 151,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,223.75 : 151,981.50 = 151,981.50 : x
2. Step 2: Convert to fraction form
   71,223.75/151,981.50 = 151,981.50/x
3. Step 3: Cross multiply
   71,223.75x = 151,981.50 × 151,981.50
4. Step 4: Simplify right side
   71,223.75x = 23,098,376,342.25
5. Step 5: Solve for x
   x = 23,098,376,342.25/71,223.75
6. Step 6: Final answer
   x = 324,307.22