Finding the Third Proportional to 596,984 and 1,290,200

Step by Step Solution

1. Step 1: Write the proportion equation
   596,984 : 1,290,200 = 1,290,200 : x
2. Step 2: Convert to fraction form
   596,984/1,290,200 = 1,290,200/x
3. Step 3: Cross multiply
   596,984x = 1,290,200 × 1,290,200
4. Step 4: Simplify right side
   596,984x = 1,664,616,040,000
5. Step 5: Solve for x
   x = 1,664,616,040,000/596,984
6. Step 6: Final answer
   x = 2,788,376.30