Finding the Third Proportional to 109,317 and 143,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,317 : 143,536.50 = 143,536.50 : x
2. Step 2: Convert to fraction form
   109,317/143,536.50 = 143,536.50/x
3. Step 3: Cross multiply
   109,317x = 143,536.50 × 143,536.50
4. Step 4: Simplify right side
   109,317x = 20,602,726,832.25
5. Step 5: Solve for x
   x = 20,602,726,832.25/109,317
6. Step 6: Final answer
   x = 188,467.73