Finding the Third Proportional to 143,599.08 and 238,498.17

Step by Step Solution

1. Step 1: Write the proportion equation
   143,599.08 : 238,498.17 = 238,498.17 : x
2. Step 2: Convert to fraction form
   143,599.08/238,498.17 = 238,498.17/x
3. Step 3: Cross multiply
   143,599.08x = 238,498.17 × 238,498.17
4. Step 4: Simplify right side
   143,599.08x = 56,881,377,987.72
5. Step 5: Solve for x
   x = 56,881,377,987.72/143,599.08
6. Step 6: Final answer
   x = 396,112.42