Finding the Third Proportional to 598,272 and 1,290,468

Step by Step Solution

1. Step 1: Write the proportion equation
   598,272 : 1,290,468 = 1,290,468 : x
2. Step 2: Convert to fraction form
   598,272/1,290,468 = 1,290,468/x
3. Step 3: Cross multiply
   598,272x = 1,290,468 × 1,290,468
4. Step 4: Simplify right side
   598,272x = 1,665,307,659,024
5. Step 5: Solve for x
   x = 1,665,307,659,024/598,272
6. Step 6: Final answer
   x = 2,783,529.33