Finding the Third Proportional to 4,102,434 and 8,992,126

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,434 : 8,992,126 = 8,992,126 : x
2. Step 2: Convert to fraction form
   4,102,434/8,992,126 = 8,992,126/x
3. Step 3: Cross multiply
   4,102,434x = 8,992,126 × 8,992,126
4. Step 4: Simplify right side
   4,102,434x = 80,858,329,999,876
5. Step 5: Solve for x
   x = 80,858,329,999,876/4,102,434
6. Step 6: Final answer
   x = 19,709,842.99