Finding the Third Proportional to 4,334,670 and 9,491,490

Step by Step Solution

1. Step 1: Write the proportion equation
   4,334,670 : 9,491,490 = 9,491,490 : x
2. Step 2: Convert to fraction form
   4,334,670/9,491,490 = 9,491,490/x
3. Step 3: Cross multiply
   4,334,670x = 9,491,490 × 9,491,490
4. Step 4: Simplify right side
   4,334,670x = 90,088,382,420,100
5. Step 5: Solve for x
   x = 90,088,382,420,100/4,334,670
6. Step 6: Final answer
   x = 20,783,215.89