Finding the Third Proportional to 212,023.50 and 460,857

Step by Step Solution

1. Step 1: Write the proportion equation
   212,023.50 : 460,857 = 460,857 : x
2. Step 2: Convert to fraction form
   212,023.50/460,857 = 460,857/x
3. Step 3: Cross multiply
   212,023.50x = 460,857 × 460,857
4. Step 4: Simplify right side
   212,023.50x = 212,389,174,449
5. Step 5: Solve for x
   x = 212,389,174,449/212,023.50
6. Step 6: Final answer
   x = 1,001,724.69