Finding the Third Proportional to 2,666,128.50 and 3,799,662.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,128.50 : 3,799,662.75 = 3,799,662.75 : x
2. Step 2: Convert to fraction form
   2,666,128.50/3,799,662.75 = 3,799,662.75/x
3. Step 3: Cross multiply
   2,666,128.50x = 3,799,662.75 × 3,799,662.75
4. Step 4: Simplify right side
   2,666,128.50x = 14,437,437,013,737.56
5. Step 5: Solve for x
   x = 14,437,437,013,737.56/2,666,128.50
6. Step 6: Final answer
   x = 5,415,131.72