Finding the Third Proportional to 4,487,593 and 9,787,442

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,593 : 9,787,442 = 9,787,442 : x
2. Step 2: Convert to fraction form
   4,487,593/9,787,442 = 9,787,442/x
3. Step 3: Cross multiply
   4,487,593x = 9,787,442 × 9,787,442
4. Step 4: Simplify right side
   4,487,593x = 95,794,020,903,364
5. Step 5: Solve for x
   x = 95,794,020,903,364/4,487,593
6. Step 6: Final answer
   x = 21,346,414.64