Finding the Third Proportional to 124,617 and 274,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,617 : 274,156.50 = 274,156.50 : x
2. Step 2: Convert to fraction form
   124,617/274,156.50 = 274,156.50/x
3. Step 3: Cross multiply
   124,617x = 274,156.50 × 274,156.50
4. Step 4: Simplify right side
   124,617x = 75,161,786,492.25
5. Step 5: Solve for x
   x = 75,161,786,492.25/124,617
6. Step 6: Final answer
   x = 603,142.32