Finding the Third Proportional to 131,280 and 144,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,280 : 144,814.50 = 144,814.50 : x
2. Step 2: Convert to fraction form
   131,280/144,814.50 = 144,814.50/x
3. Step 3: Cross multiply
   131,280x = 144,814.50 × 144,814.50
4. Step 4: Simplify right side
   131,280x = 20,971,239,410.25
5. Step 5: Solve for x
   x = 20,971,239,410.25/131,280
6. Step 6: Final answer
   x = 159,744.36