Finding the Third Proportional to 3,423,156 and 4,785,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423,156 : 4,785,540 = 4,785,540 : x
2. Step 2: Convert to fraction form
   3,423,156/4,785,540 = 4,785,540/x
3. Step 3: Cross multiply
   3,423,156x = 4,785,540 × 4,785,540
4. Step 4: Simplify right side
   3,423,156x = 22,901,393,091,600
5. Step 5: Solve for x
   x = 22,901,393,091,600/3,423,156
6. Step 6: Final answer
   x = 6,690,140.06