Finding the Third Proportional to 1,239,688 and 1,745,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,688 : 1,745,724 = 1,745,724 : x
2. Step 2: Convert to fraction form
   1,239,688/1,745,724 = 1,745,724/x
3. Step 3: Cross multiply
   1,239,688x = 1,745,724 × 1,745,724
4. Step 4: Simplify right side
   1,239,688x = 3,047,552,284,176
5. Step 5: Solve for x
   x = 3,047,552,284,176/1,239,688
6. Step 6: Final answer
   x = 2,458,322.00