Finding the Third Proportional to 3,656,631 and 7,875,186

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,631 : 7,875,186 = 7,875,186 : x
2. Step 2: Convert to fraction form
   3,656,631/7,875,186 = 7,875,186/x
3. Step 3: Cross multiply
   3,656,631x = 7,875,186 × 7,875,186
4. Step 4: Simplify right side
   3,656,631x = 62,018,554,534,596
5. Step 5: Solve for x
   x = 62,018,554,534,596/3,656,631
6. Step 6: Final answer
   x = 16,960,572.32