Finding the Third Proportional to 2,169,818 and 4,725,379

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169,818 : 4,725,379 = 4,725,379 : x
2. Step 2: Convert to fraction form
   2,169,818/4,725,379 = 4,725,379/x
3. Step 3: Cross multiply
   2,169,818x = 4,725,379 × 4,725,379
4. Step 4: Simplify right side
   2,169,818x = 22,329,206,693,641
5. Step 5: Solve for x
   x = 22,329,206,693,641/2,169,818
6. Step 6: Final answer
   x = 10,290,820.10