Finding the Third Proportional to 217,800 and 467,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   217,800 : 467,113.50 = 467,113.50 : x
2. Step 2: Convert to fraction form
   217,800/467,113.50 = 467,113.50/x
3. Step 3: Cross multiply
   217,800x = 467,113.50 × 467,113.50
4. Step 4: Simplify right side
   217,800x = 218,195,021,882.25
5. Step 5: Solve for x
   x = 218,195,021,882.25/217,800
6. Step 6: Final answer
   x = 1,001,813.69