Finding the Third Proportional to 456,880.50 and 669,732

Step by Step Solution

1. Step 1: Write the proportion equation
   456,880.50 : 669,732 = 669,732 : x
2. Step 2: Convert to fraction form
   456,880.50/669,732 = 669,732/x
3. Step 3: Cross multiply
   456,880.50x = 669,732 × 669,732
4. Step 4: Simplify right side
   456,880.50x = 448,540,951,824
5. Step 5: Solve for x
   x = 448,540,951,824/456,880.50
6. Step 6: Final answer
   x = 981,746.76