Finding the Third Proportional to 414,889 and 626,150

Step by Step Solution

1. Step 1: Write the proportion equation
   414,889 : 626,150 = 626,150 : x
2. Step 2: Convert to fraction form
   414,889/626,150 = 626,150/x
3. Step 3: Cross multiply
   414,889x = 626,150 × 626,150
4. Step 4: Simplify right side
   414,889x = 392,063,822,500
5. Step 5: Solve for x
   x = 392,063,822,500/414,889
6. Step 6: Final answer
   x = 944,984.86