Finding the Third Proportional to 20,886,736 and 31,930,434

Step by Step Solution

1. Step 1: Write the proportion equation
   20,886,736 : 31,930,434 = 31,930,434 : x
2. Step 2: Convert to fraction form
   20,886,736/31,930,434 = 31,930,434/x
3. Step 3: Cross multiply
   20,886,736x = 31,930,434 × 31,930,434
4. Step 4: Simplify right side
   20,886,736x = 1,019,552,615,428,356
5. Step 5: Solve for x
   x = 1,019,552,615,428,356/20,886,736
6. Step 6: Final answer
   x = 48,813,400.78