Finding the Third Proportional to 3,151,384 and 4,725,920

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151,384 : 4,725,920 = 4,725,920 : x
2. Step 2: Convert to fraction form
   3,151,384/4,725,920 = 4,725,920/x
3. Step 3: Cross multiply
   3,151,384x = 4,725,920 × 4,725,920
4. Step 4: Simplify right side
   3,151,384x = 22,334,319,846,400
5. Step 5: Solve for x
   x = 22,334,319,846,400/3,151,384
6. Step 6: Final answer
   x = 7,087,146.42