Finding the Third Proportional to 4,225,131 and 9,123,606

Step by Step Solution

1. Step 1: Write the proportion equation
   4,225,131 : 9,123,606 = 9,123,606 : x
2. Step 2: Convert to fraction form
   4,225,131/9,123,606 = 9,123,606/x
3. Step 3: Cross multiply
   4,225,131x = 9,123,606 × 9,123,606
4. Step 4: Simplify right side
   4,225,131x = 83,240,186,443,236
5. Step 5: Solve for x
   x = 83,240,186,443,236/4,225,131
6. Step 6: Final answer
   x = 19,701,208.42