Finding the Third Proportional to 56,647.50 and 124,479

Step by Step Solution

1. Step 1: Write the proportion equation
   56,647.50 : 124,479 = 124,479 : x
2. Step 2: Convert to fraction form
   56,647.50/124,479 = 124,479/x
3. Step 3: Cross multiply
   56,647.50x = 124,479 × 124,479
4. Step 4: Simplify right side
   56,647.50x = 15,495,021,441
5. Step 5: Solve for x
   x = 15,495,021,441/56,647.50
6. Step 6: Final answer
   x = 273,534.07