Finding the Third Proportional to 395,929 and 637,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,929 : 637,471.50 = 637,471.50 : x
2. Step 2: Convert to fraction form
   395,929/637,471.50 = 637,471.50/x
3. Step 3: Cross multiply
   395,929x = 637,471.50 × 637,471.50
4. Step 4: Simplify right side
   395,929x = 406,369,913,312.25
5. Step 5: Solve for x
   x = 406,369,913,312.25/395,929
6. Step 6: Final answer
   x = 1,026,370.67