Finding the Third Proportional to 215,532 and 465,480

Step by Step Solution

1. Step 1: Write the proportion equation
   215,532 : 465,480 = 465,480 : x
2. Step 2: Convert to fraction form
   215,532/465,480 = 465,480/x
3. Step 3: Cross multiply
   215,532x = 465,480 × 465,480
4. Step 4: Simplify right side
   215,532x = 216,671,630,400
5. Step 5: Solve for x
   x = 216,671,630,400/215,532
6. Step 6: Final answer
   x = 1,005,287.52