Finding the Third Proportional to 1,601,221.50 and 3,517,371

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,221.50 : 3,517,371 = 3,517,371 : x
2. Step 2: Convert to fraction form
   1,601,221.50/3,517,371 = 3,517,371/x
3. Step 3: Cross multiply
   1,601,221.50x = 3,517,371 × 3,517,371
4. Step 4: Simplify right side
   1,601,221.50x = 12,371,898,751,641
5. Step 5: Solve for x
   x = 12,371,898,751,641/1,601,221.50
6. Step 6: Final answer
   x = 7,726,537.99