Finding the Third Proportional to 3,685,285 and 7,974,218

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,285 : 7,974,218 = 7,974,218 : x
2. Step 2: Convert to fraction form
   3,685,285/7,974,218 = 7,974,218/x
3. Step 3: Cross multiply
   3,685,285x = 7,974,218 × 7,974,218
4. Step 4: Simplify right side
   3,685,285x = 63,588,152,711,524
5. Step 5: Solve for x
   x = 63,588,152,711,524/3,685,285
6. Step 6: Final answer
   x = 17,254,609.27