Finding the Third Proportional to 647,239.50 and 1,418,895

Step by Step Solution

1. Step 1: Write the proportion equation
   647,239.50 : 1,418,895 = 1,418,895 : x
2. Step 2: Convert to fraction form
   647,239.50/1,418,895 = 1,418,895/x
3. Step 3: Cross multiply
   647,239.50x = 1,418,895 × 1,418,895
4. Step 4: Simplify right side
   647,239.50x = 2,013,263,021,025
5. Step 5: Solve for x
   x = 2,013,263,021,025/647,239.50
6. Step 6: Final answer
   x = 3,110,537.94