Finding the Third Proportional to 250,414 and 375,620

Step by Step Solution

1. Step 1: Write the proportion equation
   250,414 : 375,620 = 375,620 : x
2. Step 2: Convert to fraction form
   250,414/375,620 = 375,620/x
3. Step 3: Cross multiply
   250,414x = 375,620 × 375,620
4. Step 4: Simplify right side
   250,414x = 141,090,384,400
5. Step 5: Solve for x
   x = 141,090,384,400/250,414
6. Step 6: Final answer
   x = 563,428.50