Finding the Third Proportional to 30,901.50 and 67,817.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,901.50 : 67,817.25 = 67,817.25 : x
2. Step 2: Convert to fraction form
   30,901.50/67,817.25 = 67,817.25/x
3. Step 3: Cross multiply
   30,901.50x = 67,817.25 × 67,817.25
4. Step 4: Simplify right side
   30,901.50x = 4,599,179,397.56
5. Step 5: Solve for x
   x = 4,599,179,397.56/30,901.50
6. Step 6: Final answer
   x = 148,833.53