Finding the Third Proportional to 38,359.50 and 79,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,359.50 : 79,381.50 = 79,381.50 : x
2. Step 2: Convert to fraction form
   38,359.50/79,381.50 = 79,381.50/x
3. Step 3: Cross multiply
   38,359.50x = 79,381.50 × 79,381.50
4. Step 4: Simplify right side
   38,359.50x = 6,301,422,542.25
5. Step 5: Solve for x
   x = 6,301,422,542.25/38,359.50
6. Step 6: Final answer
   x = 164,272.80