Finding the Third Proportional to 2,155,723.88 and 3,381,699.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,723.88 : 3,381,699.38 = 3,381,699.38 : x
2. Step 2: Convert to fraction form
   2,155,723.88/3,381,699.38 = 3,381,699.38/x
3. Step 3: Cross multiply
   2,155,723.88x = 3,381,699.38 × 3,381,699.38
4. Step 4: Simplify right side
   2,155,723.88x = 11,435,890,662,875.39
5. Step 5: Solve for x
   x = 11,435,890,662,875.39/2,155,723.88
6. Step 6: Final answer
   x = 5,304,895.86