Finding the Third Proportional to 135,387 and 202,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,387 : 202,300.50 = 202,300.50 : x
2. Step 2: Convert to fraction form
   135,387/202,300.50 = 202,300.50/x
3. Step 3: Cross multiply
   135,387x = 202,300.50 × 202,300.50
4. Step 4: Simplify right side
   135,387x = 40,925,492,300.25
5. Step 5: Solve for x
   x = 40,925,492,300.25/135,387
6. Step 6: Final answer
   x = 302,285.24