Finding the Third Proportional to 130,937.50 and 200,210

Step by Step Solution

1. Step 1: Write the proportion equation
   130,937.50 : 200,210 = 200,210 : x
2. Step 2: Convert to fraction form
   130,937.50/200,210 = 200,210/x
3. Step 3: Cross multiply
   130,937.50x = 200,210 × 200,210
4. Step 4: Simplify right side
   130,937.50x = 40,084,044,100
5. Step 5: Solve for x
   x = 40,084,044,100/130,937.50
6. Step 6: Final answer
   x = 306,131.12