Finding the Third Proportional to 38,400.75 and 79,536.94

Step by Step Solution

1. Step 1: Write the proportion equation
   38,400.75 : 79,536.94 = 79,536.94 : x
2. Step 2: Convert to fraction form
   38,400.75/79,536.94 = 79,536.94/x
3. Step 3: Cross multiply
   38,400.75x = 79,536.94 × 79,536.94
4. Step 4: Simplify right side
   38,400.75x = 6,326,124,426.88
5. Step 5: Solve for x
   x = 6,326,124,426.88/38,400.75
6. Step 6: Final answer
   x = 164,739.61