Finding the Third Proportional to 666,404 and 1,462,498

Step by Step Solution

1. Step 1: Write the proportion equation
   666,404 : 1,462,498 = 1,462,498 : x
2. Step 2: Convert to fraction form
   666,404/1,462,498 = 1,462,498/x
3. Step 3: Cross multiply
   666,404x = 1,462,498 × 1,462,498
4. Step 4: Simplify right side
   666,404x = 2,138,900,400,004
5. Step 5: Solve for x
   x = 2,138,900,400,004/666,404
6. Step 6: Final answer
   x = 3,209,615.19