Finding the Third Proportional to 4,073,916 and 8,482,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073,916 : 8,482,428 = 8,482,428 : x
2. Step 2: Convert to fraction form
   4,073,916/8,482,428 = 8,482,428/x
3. Step 3: Cross multiply
   4,073,916x = 8,482,428 × 8,482,428
4. Step 4: Simplify right side
   4,073,916x = 71,951,584,775,184
5. Step 5: Solve for x
   x = 71,951,584,775,184/4,073,916
6. Step 6: Final answer
   x = 17,661,528.80