Finding the Third Proportional to 290,372 and 616,002

Step by Step Solution

1. Step 1: Write the proportion equation
   290,372 : 616,002 = 616,002 : x
2. Step 2: Convert to fraction form
   290,372/616,002 = 616,002/x
3. Step 3: Cross multiply
   290,372x = 616,002 × 616,002
4. Step 4: Simplify right side
   290,372x = 379,458,464,004
5. Step 5: Solve for x
   x = 379,458,464,004/290,372
6. Step 6: Final answer
   x = 1,306,801.15