Finding the Third Proportional to 122,237 and 194,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,237 : 194,492.50 = 194,492.50 : x
2. Step 2: Convert to fraction form
   122,237/194,492.50 = 194,492.50/x
3. Step 3: Cross multiply
   122,237x = 194,492.50 × 194,492.50
4. Step 4: Simplify right side
   122,237x = 37,827,332,556.25
5. Step 5: Solve for x
   x = 37,827,332,556.25/122,237
6. Step 6: Final answer
   x = 309,458.94