Finding the Third Proportional to 121,131 and 185,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,131 : 185,935.50 = 185,935.50 : x
2. Step 2: Convert to fraction form
   121,131/185,935.50 = 185,935.50/x
3. Step 3: Cross multiply
   121,131x = 185,935.50 × 185,935.50
4. Step 4: Simplify right side
   121,131x = 34,572,010,160.25
5. Step 5: Solve for x
   x = 34,572,010,160.25/121,131
6. Step 6: Final answer
   x = 285,410.09