Finding the Third Proportional to 3,007,311 and 7,017,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,007,311 : 7,017,300 = 7,017,300 : x
2. Step 2: Convert to fraction form
   3,007,311/7,017,300 = 7,017,300/x
3. Step 3: Cross multiply
   3,007,311x = 7,017,300 × 7,017,300
4. Step 4: Simplify right side
   3,007,311x = 49,242,499,290,000
5. Step 5: Solve for x
   x = 49,242,499,290,000/3,007,311
6. Step 6: Final answer
   x = 16,374,262.35