Finding the Third Proportional to 117,405 and 167,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,405 : 167,287.50 = 167,287.50 : x
2. Step 2: Convert to fraction form
   117,405/167,287.50 = 167,287.50/x
3. Step 3: Cross multiply
   117,405x = 167,287.50 × 167,287.50
4. Step 4: Simplify right side
   117,405x = 27,985,107,656.25
5. Step 5: Solve for x
   x = 27,985,107,656.25/117,405
6. Step 6: Final answer
   x = 238,363.85