Finding the Third Proportional to 593,371.50 and 918,216

Step by Step Solution

1. Step 1: Write the proportion equation
   593,371.50 : 918,216 = 918,216 : x
2. Step 2: Convert to fraction form
   593,371.50/918,216 = 918,216/x
3. Step 3: Cross multiply
   593,371.50x = 918,216 × 918,216
4. Step 4: Simplify right side
   593,371.50x = 843,120,622,656
5. Step 5: Solve for x
   x = 843,120,622,656/593,371.50
6. Step 6: Final answer
   x = 1,420,898.41