Finding the Third Proportional to 544,627.50 and 813,660

Step by Step Solution

1. Step 1: Write the proportion equation
   544,627.50 : 813,660 = 813,660 : x
2. Step 2: Convert to fraction form
   544,627.50/813,660 = 813,660/x
3. Step 3: Cross multiply
   544,627.50x = 813,660 × 813,660
4. Step 4: Simplify right side
   544,627.50x = 662,042,595,600
5. Step 5: Solve for x
   x = 662,042,595,600/544,627.50
6. Step 6: Final answer
   x = 1,215,587.89