Finding the Third Proportional to 38,279.25 and 81,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,279.25 : 81,472.50 = 81,472.50 : x
2. Step 2: Convert to fraction form
   38,279.25/81,472.50 = 81,472.50/x
3. Step 3: Cross multiply
   38,279.25x = 81,472.50 × 81,472.50
4. Step 4: Simplify right side
   38,279.25x = 6,637,768,256.25
5. Step 5: Solve for x
   x = 6,637,768,256.25/38,279.25
6. Step 6: Final answer
   x = 173,403.82