Finding the Third Proportional to 656,822 and 1,418,428

Step by Step Solution

1. Step 1: Write the proportion equation
   656,822 : 1,418,428 = 1,418,428 : x
2. Step 2: Convert to fraction form
   656,822/1,418,428 = 1,418,428/x
3. Step 3: Cross multiply
   656,822x = 1,418,428 × 1,418,428
4. Step 4: Simplify right side
   656,822x = 2,011,937,991,184
5. Step 5: Solve for x
   x = 2,011,937,991,184/656,822
6. Step 6: Final answer
   x = 3,063,140.38