Finding the Third Proportional to 60,705.50 and 123,820

Step by Step Solution

1. Step 1: Write the proportion equation
   60,705.50 : 123,820 = 123,820 : x
2. Step 2: Convert to fraction form
   60,705.50/123,820 = 123,820/x
3. Step 3: Cross multiply
   60,705.50x = 123,820 × 123,820
4. Step 4: Simplify right side
   60,705.50x = 15,331,392,400
5. Step 5: Solve for x
   x = 15,331,392,400/60,705.50
6. Step 6: Final answer
   x = 252,553.60