Finding the Third Proportional to 122,238 and 160,800.75

Step by Step Solution

1. Step 1: Write the proportion equation
   122,238 : 160,800.75 = 160,800.75 : x
2. Step 2: Convert to fraction form
   122,238/160,800.75 = 160,800.75/x
3. Step 3: Cross multiply
   122,238x = 160,800.75 × 160,800.75
4. Step 4: Simplify right side
   122,238x = 25,856,881,200.56
5. Step 5: Solve for x
   x = 25,856,881,200.56/122,238
6. Step 6: Final answer
   x = 211,528.99