Finding the Third Proportional to 4,518,674 and 9,934,045

Step by Step Solution

1. Step 1: Write the proportion equation
   4,518,674 : 9,934,045 = 9,934,045 : x
2. Step 2: Convert to fraction form
   4,518,674/9,934,045 = 9,934,045/x
3. Step 3: Cross multiply
   4,518,674x = 9,934,045 × 9,934,045
4. Step 4: Simplify right side
   4,518,674x = 98,685,250,062,025
5. Step 5: Solve for x
   x = 98,685,250,062,025/4,518,674
6. Step 6: Final answer
   x = 21,839,426.80