Finding the Third Proportional to 109,259 and 164,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,259 : 164,887.50 = 164,887.50 : x
2. Step 2: Convert to fraction form
   109,259/164,887.50 = 164,887.50/x
3. Step 3: Cross multiply
   109,259x = 164,887.50 × 164,887.50
4. Step 4: Simplify right side
   109,259x = 27,187,887,656.25
5. Step 5: Solve for x
   x = 27,187,887,656.25/109,259
6. Step 6: Final answer
   x = 248,838.88