Finding the Third Proportional to 478,636 and 1,036,516

Step by Step Solution

1. Step 1: Write the proportion equation
   478,636 : 1,036,516 = 1,036,516 : x
2. Step 2: Convert to fraction form
   478,636/1,036,516 = 1,036,516/x
3. Step 3: Cross multiply
   478,636x = 1,036,516 × 1,036,516
4. Step 4: Simplify right side
   478,636x = 1,074,365,418,256
5. Step 5: Solve for x
   x = 1,074,365,418,256/478,636
6. Step 6: Final answer
   x = 2,244,639.81