Finding the Third Proportional to 25,740 and 43,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,740 : 43,123.50 = 43,123.50 : x
2. Step 2: Convert to fraction form
   25,740/43,123.50 = 43,123.50/x
3. Step 3: Cross multiply
   25,740x = 43,123.50 × 43,123.50
4. Step 4: Simplify right side
   25,740x = 1,859,636,252.25
5. Step 5: Solve for x
   x = 1,859,636,252.25/25,740
6. Step 6: Final answer
   x = 72,246.94