Finding the Third Proportional to 1,153,584 and 1,720,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153,584 : 1,720,818 = 1,720,818 : x
2. Step 2: Convert to fraction form
   1,153,584/1,720,818 = 1,720,818/x
3. Step 3: Cross multiply
   1,153,584x = 1,720,818 × 1,720,818
4. Step 4: Simplify right side
   1,153,584x = 2,961,214,589,124
5. Step 5: Solve for x
   x = 2,961,214,589,124/1,153,584
6. Step 6: Final answer
   x = 2,566,969.19