Finding the Third Proportional to 913,072.50 and 1,224,856.69

Step by Step Solution

1. Step 1: Write the proportion equation
   913,072.50 : 1,224,856.69 = 1,224,856.69 : x
2. Step 2: Convert to fraction form
   913,072.50/1,224,856.69 = 1,224,856.69/x
3. Step 3: Cross multiply
   913,072.50x = 1,224,856.69 × 1,224,856.69
4. Step 4: Simplify right side
   913,072.50x = 1,500,273,904,913.47
5. Step 5: Solve for x
   x = 1,500,273,904,913.47/913,072.50
6. Step 6: Final answer
   x = 1,643,104.91