Finding the Third Proportional to 287,714 and 632,532

Step by Step Solution

1. Step 1: Write the proportion equation
   287,714 : 632,532 = 632,532 : x
2. Step 2: Convert to fraction form
   287,714/632,532 = 632,532/x
3. Step 3: Cross multiply
   287,714x = 632,532 × 632,532
4. Step 4: Simplify right side
   287,714x = 400,096,731,024
5. Step 5: Solve for x
   x = 400,096,731,024/287,714
6. Step 6: Final answer
   x = 1,390,605.71