Finding the Third Proportional to 216,880.50 and 460,005

Step by Step Solution

1. Step 1: Write the proportion equation
   216,880.50 : 460,005 = 460,005 : x
2. Step 2: Convert to fraction form
   216,880.50/460,005 = 460,005/x
3. Step 3: Cross multiply
   216,880.50x = 460,005 × 460,005
4. Step 4: Simplify right side
   216,880.50x = 211,604,600,025
5. Step 5: Solve for x
   x = 211,604,600,025/216,880.50
6. Step 6: Final answer
   x = 975,673.70