Finding the Third Proportional to 2,125,782 and 3,158,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,125,782 : 3,158,392 = 3,158,392 : x
2. Step 2: Convert to fraction form
   2,125,782/3,158,392 = 3,158,392/x
3. Step 3: Cross multiply
   2,125,782x = 3,158,392 × 3,158,392
4. Step 4: Simplify right side
   2,125,782x = 9,975,440,025,664
5. Step 5: Solve for x
   x = 9,975,440,025,664/2,125,782
6. Step 6: Final answer
   x = 4,692,597.84