Finding the Third Proportional to 597,592 and 1,290,260

Step by Step Solution

1. Step 1: Write the proportion equation
   597,592 : 1,290,260 = 1,290,260 : x
2. Step 2: Convert to fraction form
   597,592/1,290,260 = 1,290,260/x
3. Step 3: Cross multiply
   597,592x = 1,290,260 × 1,290,260
4. Step 4: Simplify right side
   597,592x = 1,664,770,867,600
5. Step 5: Solve for x
   x = 1,664,770,867,600/597,592
6. Step 6: Final answer
   x = 2,785,798.45