Finding the Third Proportional to 789,822 and 1,128,654

Step by Step Solution

1. Step 1: Write the proportion equation
   789,822 : 1,128,654 = 1,128,654 : x
2. Step 2: Convert to fraction form
   789,822/1,128,654 = 1,128,654/x
3. Step 3: Cross multiply
   789,822x = 1,128,654 × 1,128,654
4. Step 4: Simplify right side
   789,822x = 1,273,859,851,716
5. Step 5: Solve for x
   x = 1,273,859,851,716/789,822
6. Step 6: Final answer
   x = 1,612,844.23