Finding the Third Proportional to 4,912,131 and 10,570,758

Step by Step Solution

1. Step 1: Write the proportion equation
   4,912,131 : 10,570,758 = 10,570,758 : x
2. Step 2: Convert to fraction form
   4,912,131/10,570,758 = 10,570,758/x
3. Step 3: Cross multiply
   4,912,131x = 10,570,758 × 10,570,758
4. Step 4: Simplify right side
   4,912,131x = 111,740,924,694,564
5. Step 5: Solve for x
   x = 111,740,924,694,564/4,912,131
6. Step 6: Final answer
   x = 22,747,952.91