Finding the Third Proportional to 124,314.50 and 272,140

Step by Step Solution

1. Step 1: Write the proportion equation
   124,314.50 : 272,140 = 272,140 : x
2. Step 2: Convert to fraction form
   124,314.50/272,140 = 272,140/x
3. Step 3: Cross multiply
   124,314.50x = 272,140 × 272,140
4. Step 4: Simplify right side
   124,314.50x = 74,060,179,600
5. Step 5: Solve for x
   x = 74,060,179,600/124,314.50
6. Step 6: Final answer
   x = 595,748.52