Finding the Third Proportional to 4,177,818 and 9,162,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,177,818 : 9,162,072 = 9,162,072 : x
2. Step 2: Convert to fraction form
   4,177,818/9,162,072 = 9,162,072/x
3. Step 3: Cross multiply
   4,177,818x = 9,162,072 × 9,162,072
4. Step 4: Simplify right side
   4,177,818x = 83,943,563,333,184
5. Step 5: Solve for x
   x = 83,943,563,333,184/4,177,818
6. Step 6: Final answer
   x = 20,092,680.76