Finding the Third Proportional to 649,768 and 1,046,840

Step by Step Solution

1. Step 1: Write the proportion equation
   649,768 : 1,046,840 = 1,046,840 : x
2. Step 2: Convert to fraction form
   649,768/1,046,840 = 1,046,840/x
3. Step 3: Cross multiply
   649,768x = 1,046,840 × 1,046,840
4. Step 4: Simplify right side
   649,768x = 1,095,873,985,600
5. Step 5: Solve for x
   x = 1,095,873,985,600/649,768
6. Step 6: Final answer
   x = 1,686,561.95