Finding the Third Proportional to 14,780.81 and 31,638.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,780.81 : 31,638.94 = 31,638.94 : x
2. Step 2: Convert to fraction form
   14,780.81/31,638.94 = 31,638.94/x
3. Step 3: Cross multiply
   14,780.81x = 31,638.94 × 31,638.94
4. Step 4: Simplify right side
   14,780.81x = 1,001,022,366.13
5. Step 5: Solve for x
   x = 1,001,022,366.13/14,780.81
6. Step 6: Final answer
   x = 67,724.45