Finding the Third Proportional to 598,768 and 1,290,848

Step by Step Solution

1. Step 1: Write the proportion equation
   598,768 : 1,290,848 = 1,290,848 : x
2. Step 2: Convert to fraction form
   598,768/1,290,848 = 1,290,848/x
3. Step 3: Cross multiply
   598,768x = 1,290,848 × 1,290,848
4. Step 4: Simplify right side
   598,768x = 1,666,288,559,104
5. Step 5: Solve for x
   x = 1,666,288,559,104/598,768
6. Step 6: Final answer
   x = 2,782,861.74