Finding the Third Proportional to 505,442 and 1,111,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   505,442 : 1,111,971.50 = 1,111,971.50 : x
2. Step 2: Convert to fraction form
   505,442/1,111,971.50 = 1,111,971.50/x
3. Step 3: Cross multiply
   505,442x = 1,111,971.50 × 1,111,971.50
4. Step 4: Simplify right side
   505,442x = 1,236,480,616,812.25
5. Step 5: Solve for x
   x = 1,236,480,616,812.25/505,442
6. Step 6: Final answer
   x = 2,446,335.32