Finding the Third Proportional to 443,718 and 634,522

Step by Step Solution

1. Step 1: Write the proportion equation
   443,718 : 634,522 = 634,522 : x
2. Step 2: Convert to fraction form
   443,718/634,522 = 634,522/x
3. Step 3: Cross multiply
   443,718x = 634,522 × 634,522
4. Step 4: Simplify right side
   443,718x = 402,618,168,484
5. Step 5: Solve for x
   x = 402,618,168,484/443,718
6. Step 6: Final answer
   x = 907,373.98