Finding the Third Proportional to 4,287,488 and 9,196,624

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,488 : 9,196,624 = 9,196,624 : x
2. Step 2: Convert to fraction form
   4,287,488/9,196,624 = 9,196,624/x
3. Step 3: Cross multiply
   4,287,488x = 9,196,624 × 9,196,624
4. Step 4: Simplify right side
   4,287,488x = 84,577,892,997,376
5. Step 5: Solve for x
   x = 84,577,892,997,376/4,287,488
6. Step 6: Final answer
   x = 19,726,677.49