Finding the Third Proportional to 660,822 and 1,022,409

Step by Step Solution

1. Step 1: Write the proportion equation
   660,822 : 1,022,409 = 1,022,409 : x
2. Step 2: Convert to fraction form
   660,822/1,022,409 = 1,022,409/x
3. Step 3: Cross multiply
   660,822x = 1,022,409 × 1,022,409
4. Step 4: Simplify right side
   660,822x = 1,045,320,163,281
5. Step 5: Solve for x
   x = 1,045,320,163,281/660,822
6. Step 6: Final answer
   x = 1,581,848.31