Finding the Third Proportional to 4,018,152 and 8,428,632

Step by Step Solution

1. Step 1: Write the proportion equation
   4,018,152 : 8,428,632 = 8,428,632 : x
2. Step 2: Convert to fraction form
   4,018,152/8,428,632 = 8,428,632/x
3. Step 3: Cross multiply
   4,018,152x = 8,428,632 × 8,428,632
4. Step 4: Simplify right side
   4,018,152x = 71,041,837,391,424
5. Step 5: Solve for x
   x = 71,041,837,391,424/4,018,152
6. Step 6: Final answer
   x = 17,680,226.48