Finding the Third Proportional to 67,851 and 148,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,851 : 148,279.50 = 148,279.50 : x
2. Step 2: Convert to fraction form
   67,851/148,279.50 = 148,279.50/x
3. Step 3: Cross multiply
   67,851x = 148,279.50 × 148,279.50
4. Step 4: Simplify right side
   67,851x = 21,986,810,120.25
5. Step 5: Solve for x
   x = 21,986,810,120.25/67,851
6. Step 6: Final answer
   x = 324,045.48