Finding the Third Proportional to 28,379.25 and 61,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,379.25 : 61,672.50 = 61,672.50 : x
2. Step 2: Convert to fraction form
   28,379.25/61,672.50 = 61,672.50/x
3. Step 3: Cross multiply
   28,379.25x = 61,672.50 × 61,672.50
4. Step 4: Simplify right side
   28,379.25x = 3,803,497,256.25
5. Step 5: Solve for x
   x = 3,803,497,256.25/28,379.25
6. Step 6: Final answer
   x = 134,023.88