Finding the Third Proportional to 4,877,989 and 7,246,270

Step by Step Solution

1. Step 1: Write the proportion equation
   4,877,989 : 7,246,270 = 7,246,270 : x
2. Step 2: Convert to fraction form
   4,877,989/7,246,270 = 7,246,270/x
3. Step 3: Cross multiply
   4,877,989x = 7,246,270 × 7,246,270
4. Step 4: Simplify right side
   4,877,989x = 52,508,428,912,900
5. Step 5: Solve for x
   x = 52,508,428,912,900/4,877,989
6. Step 6: Final answer
   x = 10,764,359.84