Finding the Third Proportional to 1,312,276 and 2,729,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,276 : 2,729,254 = 2,729,254 : x
2. Step 2: Convert to fraction form
   1,312,276/2,729,254 = 2,729,254/x
3. Step 3: Cross multiply
   1,312,276x = 2,729,254 × 2,729,254
4. Step 4: Simplify right side
   1,312,276x = 7,448,827,396,516
5. Step 5: Solve for x
   x = 7,448,827,396,516/1,312,276
6. Step 6: Final answer
   x = 5,676,265.81