Finding the Third Proportional to 2,687,835 and 4,161,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,835 : 4,161,757.50 = 4,161,757.50 : x
2. Step 2: Convert to fraction form
   2,687,835/4,161,757.50 = 4,161,757.50/x
3. Step 3: Cross multiply
   2,687,835x = 4,161,757.50 × 4,161,757.50
4. Step 4: Simplify right side
   2,687,835x = 17,320,225,488,806.25
5. Step 5: Solve for x
   x = 17,320,225,488,806.25/2,687,835
6. Step 6: Final answer
   x = 6,443,931.82