Finding the Third Proportional to 4,224,989 and 9,123,484

Step by Step Solution

1. Step 1: Write the proportion equation
   4,224,989 : 9,123,484 = 9,123,484 : x
2. Step 2: Convert to fraction form
   4,224,989/9,123,484 = 9,123,484/x
3. Step 3: Cross multiply
   4,224,989x = 9,123,484 × 9,123,484
4. Step 4: Simplify right side
   4,224,989x = 83,237,960,298,256
5. Step 5: Solve for x
   x = 83,237,960,298,256/4,224,989
6. Step 6: Final answer
   x = 19,701,343.67