Finding the Third Proportional to 17,725.50 and 38,670.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,725.50 : 38,670.75 = 38,670.75 : x
2. Step 2: Convert to fraction form
   17,725.50/38,670.75 = 38,670.75/x
3. Step 3: Cross multiply
   17,725.50x = 38,670.75 × 38,670.75
4. Step 4: Simplify right side
   17,725.50x = 1,495,426,905.56
5. Step 5: Solve for x
   x = 1,495,426,905.56/17,725.50
6. Step 6: Final answer
   x = 84,365.85