Finding the Third Proportional to 93,640.50 and 206,370

Step by Step Solution

1. Step 1: Write the proportion equation
   93,640.50 : 206,370 = 206,370 : x
2. Step 2: Convert to fraction form
   93,640.50/206,370 = 206,370/x
3. Step 3: Cross multiply
   93,640.50x = 206,370 × 206,370
4. Step 4: Simplify right side
   93,640.50x = 42,588,576,900
5. Step 5: Solve for x
   x = 42,588,576,900/93,640.50
6. Step 6: Final answer
   x = 454,809.37