Finding the Third Proportional to 122,217 and 191,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,217 : 191,968.50 = 191,968.50 : x
2. Step 2: Convert to fraction form
   122,217/191,968.50 = 191,968.50/x
3. Step 3: Cross multiply
   122,217x = 191,968.50 × 191,968.50
4. Step 4: Simplify right side
   122,217x = 36,851,904,992.25
5. Step 5: Solve for x
   x = 36,851,904,992.25/122,217
6. Step 6: Final answer
   x = 301,528.47