Finding the Third Proportional to 2,160,612 and 4,710,000

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,612 : 4,710,000 = 4,710,000 : x
2. Step 2: Convert to fraction form
   2,160,612/4,710,000 = 4,710,000/x
3. Step 3: Cross multiply
   2,160,612x = 4,710,000 × 4,710,000
4. Step 4: Simplify right side
   2,160,612x = 22,184,100,000,000
5. Step 5: Solve for x
   x = 22,184,100,000,000/2,160,612
6. Step 6: Final answer
   x = 10,267,507.54