Finding the Third Proportional to 443,714 and 634,516

Step by Step Solution

1. Step 1: Write the proportion equation
   443,714 : 634,516 = 634,516 : x
2. Step 2: Convert to fraction form
   443,714/634,516 = 634,516/x
3. Step 3: Cross multiply
   443,714x = 634,516 × 634,516
4. Step 4: Simplify right side
   443,714x = 402,610,554,256
5. Step 5: Solve for x
   x = 402,610,554,256/443,714
6. Step 6: Final answer
   x = 907,365.00