Finding the Third Proportional to 1,717,856 and 3,657,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717,856 : 3,657,472 = 3,657,472 : x
2. Step 2: Convert to fraction form
   1,717,856/3,657,472 = 3,657,472/x
3. Step 3: Cross multiply
   1,717,856x = 3,657,472 × 3,657,472
4. Step 4: Simplify right side
   1,717,856x = 13,377,101,430,784
5. Step 5: Solve for x
   x = 13,377,101,430,784/1,717,856
6. Step 6: Final answer
   x = 7,787,091.25