Finding the Third Proportional to 789,064 and 1,116,510

Step by Step Solution

1. Step 1: Write the proportion equation
   789,064 : 1,116,510 = 1,116,510 : x
2. Step 2: Convert to fraction form
   789,064/1,116,510 = 1,116,510/x
3. Step 3: Cross multiply
   789,064x = 1,116,510 × 1,116,510
4. Step 4: Simplify right side
   789,064x = 1,246,594,580,100
5. Step 5: Solve for x
   x = 1,246,594,580,100/789,064
6. Step 6: Final answer
   x = 1,579,839.63