Finding the Third Proportional to 478,640.25 and 1,009,566

Step by Step Solution

1. Step 1: Write the proportion equation
   478,640.25 : 1,009,566 = 1,009,566 : x
2. Step 2: Convert to fraction form
   478,640.25/1,009,566 = 1,009,566/x
3. Step 3: Cross multiply
   478,640.25x = 1,009,566 × 1,009,566
4. Step 4: Simplify right side
   478,640.25x = 1,019,223,508,356
5. Step 5: Solve for x
   x = 1,019,223,508,356/478,640.25
6. Step 6: Final answer
   x = 2,129,414.54