Finding the Third Proportional to 598,322 and 1,290,564

Step by Step Solution

1. Step 1: Write the proportion equation
   598,322 : 1,290,564 = 1,290,564 : x
2. Step 2: Convert to fraction form
   598,322/1,290,564 = 1,290,564/x
3. Step 3: Cross multiply
   598,322x = 1,290,564 × 1,290,564
4. Step 4: Simplify right side
   598,322x = 1,665,555,438,096
5. Step 5: Solve for x
   x = 1,665,555,438,096/598,322
6. Step 6: Final answer
   x = 2,783,710.84