Finding the Third Proportional to 281,731.50 and 626,454

Step by Step Solution

1. Step 1: Write the proportion equation
   281,731.50 : 626,454 = 626,454 : x
2. Step 2: Convert to fraction form
   281,731.50/626,454 = 626,454/x
3. Step 3: Cross multiply
   281,731.50x = 626,454 × 626,454
4. Step 4: Simplify right side
   281,731.50x = 392,444,614,116
5. Step 5: Solve for x
   x = 392,444,614,116/281,731.50
6. Step 6: Final answer
   x = 1,392,973.86