Finding the Third Proportional to 625,820.55 and 1,284,817.57

Step by Step Solution

1. Step 1: Write the proportion equation
   625,820.55 : 1,284,817.57 = 1,284,817.57 : x
2. Step 2: Convert to fraction form
   625,820.55/1,284,817.57 = 1,284,817.57/x
3. Step 3: Cross multiply
   625,820.55x = 1,284,817.57 × 1,284,817.57
4. Step 4: Simplify right side
   625,820.55x = 1,650,756,188,983.72
5. Step 5: Solve for x
   x = 1,650,756,188,983.72/625,820.55
6. Step 6: Final answer
   x = 2,637,746.84