Finding the Third Proportional to 2,178,632 and 4,707,088

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,632 : 4,707,088 = 4,707,088 : x
2. Step 2: Convert to fraction form
   2,178,632/4,707,088 = 4,707,088/x
3. Step 3: Cross multiply
   2,178,632x = 4,707,088 × 4,707,088
4. Step 4: Simplify right side
   2,178,632x = 22,156,677,439,744
5. Step 5: Solve for x
   x = 22,156,677,439,744/2,178,632
6. Step 6: Final answer
   x = 10,169,995.41