Finding the Third Proportional to 220,488 and 467,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,488 : 467,469.50 = 467,469.50 : x
2. Step 2: Convert to fraction form
   220,488/467,469.50 = 467,469.50/x
3. Step 3: Cross multiply
   220,488x = 467,469.50 × 467,469.50
4. Step 4: Simplify right side
   220,488x = 218,527,733,430.25
5. Step 5: Solve for x
   x = 218,527,733,430.25/220,488
6. Step 6: Final answer
   x = 991,109.42