Finding the Third Proportional to 3,707,356 and 8,123,336

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707,356 : 8,123,336 = 8,123,336 : x
2. Step 2: Convert to fraction form
   3,707,356/8,123,336 = 8,123,336/x
3. Step 3: Cross multiply
   3,707,356x = 8,123,336 × 8,123,336
4. Step 4: Simplify right side
   3,707,356x = 65,988,587,768,896
5. Step 5: Solve for x
   x = 65,988,587,768,896/3,707,356
6. Step 6: Final answer
   x = 17,799,366.39