Finding the Third Proportional to 597,258 and 1,299,488

Step by Step Solution

1. Step 1: Write the proportion equation
   597,258 : 1,299,488 = 1,299,488 : x
2. Step 2: Convert to fraction form
   597,258/1,299,488 = 1,299,488/x
3. Step 3: Cross multiply
   597,258x = 1,299,488 × 1,299,488
4. Step 4: Simplify right side
   597,258x = 1,688,669,062,144
5. Step 5: Solve for x
   x = 1,688,669,062,144/597,258
6. Step 6: Final answer
   x = 2,827,369.52