Finding the Third Proportional to 648,418.50 and 1,041,822

Step by Step Solution

1. Step 1: Write the proportion equation
   648,418.50 : 1,041,822 = 1,041,822 : x
2. Step 2: Convert to fraction form
   648,418.50/1,041,822 = 1,041,822/x
3. Step 3: Cross multiply
   648,418.50x = 1,041,822 × 1,041,822
4. Step 4: Simplify right side
   648,418.50x = 1,085,393,079,684
5. Step 5: Solve for x
   x = 1,085,393,079,684/648,418.50
6. Step 6: Final answer
   x = 1,673,908.25