Finding the Third Proportional to 4,043,906 and 8,656,432

Step by Step Solution

1. Step 1: Write the proportion equation
   4,043,906 : 8,656,432 = 8,656,432 : x
2. Step 2: Convert to fraction form
   4,043,906/8,656,432 = 8,656,432/x
3. Step 3: Cross multiply
   4,043,906x = 8,656,432 × 8,656,432
4. Step 4: Simplify right side
   4,043,906x = 74,933,814,970,624
5. Step 5: Solve for x
   x = 74,933,814,970,624/4,043,906
6. Step 6: Final answer
   x = 18,530,058.55