Finding the Third Proportional to 478,407 and 1,025,502

Step by Step Solution

1. Step 1: Write the proportion equation
   478,407 : 1,025,502 = 1,025,502 : x
2. Step 2: Convert to fraction form
   478,407/1,025,502 = 1,025,502/x
3. Step 3: Cross multiply
   478,407x = 1,025,502 × 1,025,502
4. Step 4: Simplify right side
   478,407x = 1,051,654,352,004
5. Step 5: Solve for x
   x = 1,051,654,352,004/478,407
6. Step 6: Final answer
   x = 2,198,241.98