Finding the Third Proportional to 70,141.50 and 150,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,141.50 : 150,331.50 = 150,331.50 : x
2. Step 2: Convert to fraction form
   70,141.50/150,331.50 = 150,331.50/x
3. Step 3: Cross multiply
   70,141.50x = 150,331.50 × 150,331.50
4. Step 4: Simplify right side
   70,141.50x = 22,599,559,892.25
5. Step 5: Solve for x
   x = 22,599,559,892.25/70,141.50
6. Step 6: Final answer
   x = 322,199.55