Finding the Third Proportional to 478,396 and 1,006,360

Step by Step Solution

1. Step 1: Write the proportion equation
   478,396 : 1,006,360 = 1,006,360 : x
2. Step 2: Convert to fraction form
   478,396/1,006,360 = 1,006,360/x
3. Step 3: Cross multiply
   478,396x = 1,006,360 × 1,006,360
4. Step 4: Simplify right side
   478,396x = 1,012,760,449,600
5. Step 5: Solve for x
   x = 1,012,760,449,600/478,396
6. Step 6: Final answer
   x = 2,116,991.88