Finding the Third Proportional to 4,309,820 and 9,376,314

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,820 : 9,376,314 = 9,376,314 : x
2. Step 2: Convert to fraction form
   4,309,820/9,376,314 = 9,376,314/x
3. Step 3: Cross multiply
   4,309,820x = 9,376,314 × 9,376,314
4. Step 4: Simplify right side
   4,309,820x = 87,915,264,226,596
5. Step 5: Solve for x
   x = 87,915,264,226,596/4,309,820
6. Step 6: Final answer
   x = 20,398,825.06