Finding the Third Proportional to 865,480 and 1,331,116

Step by Step Solution

1. Step 1: Write the proportion equation
   865,480 : 1,331,116 = 1,331,116 : x
2. Step 2: Convert to fraction form
   865,480/1,331,116 = 1,331,116/x
3. Step 3: Cross multiply
   865,480x = 1,331,116 × 1,331,116
4. Step 4: Simplify right side
   865,480x = 1,771,869,805,456
5. Step 5: Solve for x
   x = 1,771,869,805,456/865,480
6. Step 6: Final answer
   x = 2,047,268.34