Finding the Third Proportional to 668,860 and 1,036,090

Step by Step Solution

1. Step 1: Write the proportion equation
   668,860 : 1,036,090 = 1,036,090 : x
2. Step 2: Convert to fraction form
   668,860/1,036,090 = 1,036,090/x
3. Step 3: Cross multiply
   668,860x = 1,036,090 × 1,036,090
4. Step 4: Simplify right side
   668,860x = 1,073,482,488,100
5. Step 5: Solve for x
   x = 1,073,482,488,100/668,860
6. Step 6: Final answer
   x = 1,604,943.47