Finding the Third Proportional to 20,196,871 and 31,986,164

Step by Step Solution

1. Step 1: Write the proportion equation
   20,196,871 : 31,986,164 = 31,986,164 : x
2. Step 2: Convert to fraction form
   20,196,871/31,986,164 = 31,986,164/x
3. Step 3: Cross multiply
   20,196,871x = 31,986,164 × 31,986,164
4. Step 4: Simplify right side
   20,196,871x = 1,023,114,687,434,896
5. Step 5: Solve for x
   x = 1,023,114,687,434,896/20,196,871
6. Step 6: Final answer
   x = 50,657,088.79