Finding the Third Proportional to 4,140,624 and 9,048,864

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,624 : 9,048,864 = 9,048,864 : x
2. Step 2: Convert to fraction form
   4,140,624/9,048,864 = 9,048,864/x
3. Step 3: Cross multiply
   4,140,624x = 9,048,864 × 9,048,864
4. Step 4: Simplify right side
   4,140,624x = 81,881,939,690,496
5. Step 5: Solve for x
   x = 81,881,939,690,496/4,140,624
6. Step 6: Final answer
   x = 19,775,265.68