Finding the Third Proportional to 581,388 and 1,233,138

Step by Step Solution

1. Step 1: Write the proportion equation
   581,388 : 1,233,138 = 1,233,138 : x
2. Step 2: Convert to fraction form
   581,388/1,233,138 = 1,233,138/x
3. Step 3: Cross multiply
   581,388x = 1,233,138 × 1,233,138
4. Step 4: Simplify right side
   581,388x = 1,520,629,327,044
5. Step 5: Solve for x
   x = 1,520,629,327,044/581,388
6. Step 6: Final answer
   x = 2,615,515.50