Finding the Third Proportional to 63,981 and 148,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,981 : 148,738.50 = 148,738.50 : x
2. Step 2: Convert to fraction form
   63,981/148,738.50 = 148,738.50/x
3. Step 3: Cross multiply
   63,981x = 148,738.50 × 148,738.50
4. Step 4: Simplify right side
   63,981x = 22,123,141,382.25
5. Step 5: Solve for x
   x = 22,123,141,382.25/63,981
6. Step 6: Final answer
   x = 345,776.74