Finding the Third Proportional to 38,988.75 and 82,051.69

Step by Step Solution

1. Step 1: Write the proportion equation
   38,988.75 : 82,051.69 = 82,051.69 : x
2. Step 2: Convert to fraction form
   38,988.75/82,051.69 = 82,051.69/x
3. Step 3: Cross multiply
   38,988.75x = 82,051.69 × 82,051.69
4. Step 4: Simplify right side
   38,988.75x = 6,732,479,421.60
5. Step 5: Solve for x
   x = 6,732,479,421.60/38,988.75
6. Step 6: Final answer
   x = 172,677.49