Finding the Third Proportional to 210,011.50 and 460,856

Step by Step Solution

1. Step 1: Write the proportion equation
   210,011.50 : 460,856 = 460,856 : x
2. Step 2: Convert to fraction form
   210,011.50/460,856 = 460,856/x
3. Step 3: Cross multiply
   210,011.50x = 460,856 × 460,856
4. Step 4: Simplify right side
   210,011.50x = 212,388,252,736
5. Step 5: Solve for x
   x = 212,388,252,736/210,011.50
6. Step 6: Final answer
   x = 1,011,317.25