Finding the Third Proportional to 2,731,899 and 4,138,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,899 : 4,138,686 = 4,138,686 : x
2. Step 2: Convert to fraction form
   2,731,899/4,138,686 = 4,138,686/x
3. Step 3: Cross multiply
   2,731,899x = 4,138,686 × 4,138,686
4. Step 4: Simplify right side
   2,731,899x = 17,128,721,806,596
5. Step 5: Solve for x
   x = 17,128,721,806,596/2,731,899
6. Step 6: Final answer
   x = 6,269,895.71