Finding the Third Proportional to 151,313.50 and 212,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,313.50 : 212,061.50 = 212,061.50 : x
2. Step 2: Convert to fraction form
   151,313.50/212,061.50 = 212,061.50/x
3. Step 3: Cross multiply
   151,313.50x = 212,061.50 × 212,061.50
4. Step 4: Simplify right side
   151,313.50x = 44,970,079,782.25
5. Step 5: Solve for x
   x = 44,970,079,782.25/151,313.50
6. Step 6: Final answer
   x = 297,198.07