Finding the Third Proportional to 1,312,258 and 1,896,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,258 : 1,896,458 = 1,896,458 : x
2. Step 2: Convert to fraction form
   1,312,258/1,896,458 = 1,896,458/x
3. Step 3: Cross multiply
   1,312,258x = 1,896,458 × 1,896,458
4. Step 4: Simplify right side
   1,312,258x = 3,596,552,945,764
5. Step 5: Solve for x
   x = 3,596,552,945,764/1,312,258
6. Step 6: Final answer
   x = 2,740,736.16