Finding the Third Proportional to 913,135.50 and 1,224,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   913,135.50 : 1,224,949.50 = 1,224,949.50 : x
2. Step 2: Convert to fraction form
   913,135.50/1,224,949.50 = 1,224,949.50/x
3. Step 3: Cross multiply
   913,135.50x = 1,224,949.50 × 1,224,949.50
4. Step 4: Simplify right side
   913,135.50x = 1,500,501,277,550.25
5. Step 5: Solve for x
   x = 1,500,501,277,550.25/913,135.50
6. Step 6: Final answer
   x = 1,643,240.55