Finding the Third Proportional to 67,531.50 and 147,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,531.50 : 147,211.50 = 147,211.50 : x
2. Step 2: Convert to fraction form
   67,531.50/147,211.50 = 147,211.50/x
3. Step 3: Cross multiply
   67,531.50x = 147,211.50 × 147,211.50
4. Step 4: Simplify right side
   67,531.50x = 21,671,225,732.25
5. Step 5: Solve for x
   x = 21,671,225,732.25/67,531.50
6. Step 6: Final answer
   x = 320,905.44