Finding the Third Proportional to 4,012,514 and 8,679,484

Step by Step Solution

1. Step 1: Write the proportion equation
   4,012,514 : 8,679,484 = 8,679,484 : x
2. Step 2: Convert to fraction form
   4,012,514/8,679,484 = 8,679,484/x
3. Step 3: Cross multiply
   4,012,514x = 8,679,484 × 8,679,484
4. Step 4: Simplify right side
   4,012,514x = 75,333,442,506,256
5. Step 5: Solve for x
   x = 75,333,442,506,256/4,012,514
6. Step 6: Final answer
   x = 18,774,624.21