Finding the Third Proportional to 66,199.50 and 141,875

Step by Step Solution

1. Step 1: Write the proportion equation
   66,199.50 : 141,875 = 141,875 : x
2. Step 2: Convert to fraction form
   66,199.50/141,875 = 141,875/x
3. Step 3: Cross multiply
   66,199.50x = 141,875 × 141,875
4. Step 4: Simplify right side
   66,199.50x = 20,128,515,625
5. Step 5: Solve for x
   x = 20,128,515,625/66,199.50
6. Step 6: Final answer
   x = 304,058.42