Finding the Third Proportional to 28,387.50 and 43,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,387.50 : 43,927.50 = 43,927.50 : x
2. Step 2: Convert to fraction form
   28,387.50/43,927.50 = 43,927.50/x
3. Step 3: Cross multiply
   28,387.50x = 43,927.50 × 43,927.50
4. Step 4: Simplify right side
   28,387.50x = 1,929,625,256.25
5. Step 5: Solve for x
   x = 1,929,625,256.25/28,387.50
6. Step 6: Final answer
   x = 67,974.47