Finding the Third Proportional to 648,516 and 1,036,009

Step by Step Solution

1. Step 1: Write the proportion equation
   648,516 : 1,036,009 = 1,036,009 : x
2. Step 2: Convert to fraction form
   648,516/1,036,009 = 1,036,009/x
3. Step 3: Cross multiply
   648,516x = 1,036,009 × 1,036,009
4. Step 4: Simplify right side
   648,516x = 1,073,314,648,081
5. Step 5: Solve for x
   x = 1,073,314,648,081/648,516
6. Step 6: Final answer
   x = 1,655,031.87