Finding the Third Proportional to 31,788.09 and 48,091.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,788.09 : 48,091.31 = 48,091.31 : x
2. Step 2: Convert to fraction form
   31,788.09/48,091.31 = 48,091.31/x
3. Step 3: Cross multiply
   31,788.09x = 48,091.31 × 48,091.31
4. Step 4: Simplify right side
   31,788.09x = 2,312,774,337.97
5. Step 5: Solve for x
   x = 2,312,774,337.97/31,788.09
6. Step 6: Final answer
   x = 72,755.99