Finding the Third Proportional to 1,838,978 and 2,854,131

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,978 : 2,854,131 = 2,854,131 : x
2. Step 2: Convert to fraction form
   1,838,978/2,854,131 = 2,854,131/x
3. Step 3: Cross multiply
   1,838,978x = 2,854,131 × 2,854,131
4. Step 4: Simplify right side
   1,838,978x = 8,146,063,765,161
5. Step 5: Solve for x
   x = 8,146,063,765,161/1,838,978
6. Step 6: Final answer
   x = 4,429,668.96