Finding the Third Proportional to 662,666 and 1,431,120

Step by Step Solution

1. Step 1: Write the proportion equation
   662,666 : 1,431,120 = 1,431,120 : x
2. Step 2: Convert to fraction form
   662,666/1,431,120 = 1,431,120/x
3. Step 3: Cross multiply
   662,666x = 1,431,120 × 1,431,120
4. Step 4: Simplify right side
   662,666x = 2,048,104,454,400
5. Step 5: Solve for x
   x = 2,048,104,454,400/662,666
6. Step 6: Final answer
   x = 3,090,704.00