Finding the Third Proportional to 819,510 and 1,231,641

Step by Step Solution

1. Step 1: Write the proportion equation
   819,510 : 1,231,641 = 1,231,641 : x
2. Step 2: Convert to fraction form
   819,510/1,231,641 = 1,231,641/x
3. Step 3: Cross multiply
   819,510x = 1,231,641 × 1,231,641
4. Step 4: Simplify right side
   819,510x = 1,516,939,552,881
5. Step 5: Solve for x
   x = 1,516,939,552,881/819,510
6. Step 6: Final answer
   x = 1,851,032.39