Finding the Third Proportional to 2,657,940 and 3,986,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,940 : 3,986,044.50 = 3,986,044.50 : x
2. Step 2: Convert to fraction form
   2,657,940/3,986,044.50 = 3,986,044.50/x
3. Step 3: Cross multiply
   2,657,940x = 3,986,044.50 × 3,986,044.50
4. Step 4: Simplify right side
   2,657,940x = 15,888,550,755,980.25
5. Step 5: Solve for x
   x = 15,888,550,755,980.25/2,657,940
6. Step 6: Final answer
   x = 5,977,768.78