Finding the Third Proportional to 659,964 and 1,267,440

Step by Step Solution

1. Step 1: Write the proportion equation
   659,964 : 1,267,440 = 1,267,440 : x
2. Step 2: Convert to fraction form
   659,964/1,267,440 = 1,267,440/x
3. Step 3: Cross multiply
   659,964x = 1,267,440 × 1,267,440
4. Step 4: Simplify right side
   659,964x = 1,606,404,153,600
5. Step 5: Solve for x
   x = 1,606,404,153,600/659,964
6. Step 6: Final answer
   x = 2,434,078.46