Finding the Third Proportional to 647,238 and 1,418,892

Step by Step Solution

1. Step 1: Write the proportion equation
   647,238 : 1,418,892 = 1,418,892 : x
2. Step 2: Convert to fraction form
   647,238/1,418,892 = 1,418,892/x
3. Step 3: Cross multiply
   647,238x = 1,418,892 × 1,418,892
4. Step 4: Simplify right side
   647,238x = 2,013,254,507,664
5. Step 5: Solve for x
   x = 2,013,254,507,664/647,238
6. Step 6: Final answer
   x = 3,110,532.00