Finding the Third Proportional to 634,648.50 and 1,321,788

Step by Step Solution

1. Step 1: Write the proportion equation
   634,648.50 : 1,321,788 = 1,321,788 : x
2. Step 2: Convert to fraction form
   634,648.50/1,321,788 = 1,321,788/x
3. Step 3: Cross multiply
   634,648.50x = 1,321,788 × 1,321,788
4. Step 4: Simplify right side
   634,648.50x = 1,747,123,516,944
5. Step 5: Solve for x
   x = 1,747,123,516,944/634,648.50
6. Step 6: Final answer
   x = 2,752,899.47