Finding the Third Proportional to 3,935,142 and 8,606,088

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935,142 : 8,606,088 = 8,606,088 : x
2. Step 2: Convert to fraction form
   3,935,142/8,606,088 = 8,606,088/x
3. Step 3: Cross multiply
   3,935,142x = 8,606,088 × 8,606,088
4. Step 4: Simplify right side
   3,935,142x = 74,064,750,663,744
5. Step 5: Solve for x
   x = 74,064,750,663,744/3,935,142
6. Step 6: Final answer
   x = 18,821,366.72