Finding the Third Proportional to 250,053.50 and 357,320

Step by Step Solution

1. Step 1: Write the proportion equation
   250,053.50 : 357,320 = 357,320 : x
2. Step 2: Convert to fraction form
   250,053.50/357,320 = 357,320/x
3. Step 3: Cross multiply
   250,053.50x = 357,320 × 357,320
4. Step 4: Simplify right side
   250,053.50x = 127,677,582,400
5. Step 5: Solve for x
   x = 127,677,582,400/250,053.50
6. Step 6: Final answer
   x = 510,601.06