Finding the Third Proportional to 648,404 and 1,041,808

Step by Step Solution

1. Step 1: Write the proportion equation
   648,404 : 1,041,808 = 1,041,808 : x
2. Step 2: Convert to fraction form
   648,404/1,041,808 = 1,041,808/x
3. Step 3: Cross multiply
   648,404x = 1,041,808 × 1,041,808
4. Step 4: Simplify right side
   648,404x = 1,085,363,908,864
5. Step 5: Solve for x
   x = 1,085,363,908,864/648,404
6. Step 6: Final answer
   x = 1,673,900.70