Finding the Third Proportional to 63,406.50 and 149,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,406.50 : 149,949.50 = 149,949.50 : x
2. Step 2: Convert to fraction form
   63,406.50/149,949.50 = 149,949.50/x
3. Step 3: Cross multiply
   63,406.50x = 149,949.50 × 149,949.50
4. Step 4: Simplify right side
   63,406.50x = 22,484,852,550.25
5. Step 5: Solve for x
   x = 22,484,852,550.25/63,406.50
6. Step 6: Final answer
   x = 354,614.31