Finding the Third Proportional to 172,081.50 and 375,012

Step by Step Solution

1. Step 1: Write the proportion equation
   172,081.50 : 375,012 = 375,012 : x
2. Step 2: Convert to fraction form
   172,081.50/375,012 = 375,012/x
3. Step 3: Cross multiply
   172,081.50x = 375,012 × 375,012
4. Step 4: Simplify right side
   172,081.50x = 140,634,000,144
5. Step 5: Solve for x
   x = 140,634,000,144/172,081.50
6. Step 6: Final answer
   x = 817,252.29