Finding the Third Proportional to 4,043,876 and 8,656,370

Step by Step Solution

1. Step 1: Write the proportion equation
   4,043,876 : 8,656,370 = 8,656,370 : x
2. Step 2: Convert to fraction form
   4,043,876/8,656,370 = 8,656,370/x
3. Step 3: Cross multiply
   4,043,876x = 8,656,370 × 8,656,370
4. Step 4: Simplify right side
   4,043,876x = 74,932,741,576,900
5. Step 5: Solve for x
   x = 74,932,741,576,900/4,043,876
6. Step 6: Final answer
   x = 18,529,930.59