Finding the Third Proportional to 478,411 and 1,025,510

Step by Step Solution

1. Step 1: Write the proportion equation
   478,411 : 1,025,510 = 1,025,510 : x
2. Step 2: Convert to fraction form
   478,411/1,025,510 = 1,025,510/x
3. Step 3: Cross multiply
   478,411x = 1,025,510 × 1,025,510
4. Step 4: Simplify right side
   478,411x = 1,051,670,760,100
5. Step 5: Solve for x
   x = 1,051,670,760,100/478,411
6. Step 6: Final answer
   x = 2,198,257.90