Finding the Third Proportional to 3,709,210 and 7,908,356

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,210 : 7,908,356 = 7,908,356 : x
2. Step 2: Convert to fraction form
   3,709,210/7,908,356 = 7,908,356/x
3. Step 3: Cross multiply
   3,709,210x = 7,908,356 × 7,908,356
4. Step 4: Simplify right side
   3,709,210x = 62,542,094,622,736
5. Step 5: Solve for x
   x = 62,542,094,622,736/3,709,210
6. Step 6: Final answer
   x = 16,861,297.86