Finding the Third Proportional to 26,421 and 57,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,421 : 57,742.50 = 57,742.50 : x
2. Step 2: Convert to fraction form
   26,421/57,742.50 = 57,742.50/x
3. Step 3: Cross multiply
   26,421x = 57,742.50 × 57,742.50
4. Step 4: Simplify right side
   26,421x = 3,334,196,306.25
5. Step 5: Solve for x
   x = 3,334,196,306.25/26,421
6. Step 6: Final answer
   x = 126,194.93