Finding the Third Proportional to 117,262 and 238,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,262 : 238,662.50 = 238,662.50 : x
2. Step 2: Convert to fraction form
   117,262/238,662.50 = 238,662.50/x
3. Step 3: Cross multiply
   117,262x = 238,662.50 × 238,662.50
4. Step 4: Simplify right side
   117,262x = 56,959,788,906.25
5. Step 5: Solve for x
   x = 56,959,788,906.25/117,262
6. Step 6: Final answer
   x = 485,748.06