Finding the Third Proportional to 2,640,472.17 and 5,785,469.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,472.17 : 5,785,469.30 = 5,785,469.30 : x
2. Step 2: Convert to fraction form
   2,640,472.17/5,785,469.30 = 5,785,469.30/x
3. Step 3: Cross multiply
   2,640,472.17x = 5,785,469.30 × 5,785,469.30
4. Step 4: Simplify right side
   2,640,472.17x = 33,471,654,985,083.31
5. Step 5: Solve for x
   x = 33,471,654,985,083.31/2,640,472.17
6. Step 6: Final answer
   x = 12,676,389.98