Finding the Third Proportional to 9,145,144 and 13,374,406

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145,144 : 13,374,406 = 13,374,406 : x
2. Step 2: Convert to fraction form
   9,145,144/13,374,406 = 13,374,406/x
3. Step 3: Cross multiply
   9,145,144x = 13,374,406 × 13,374,406
4. Step 4: Simplify right side
   9,145,144x = 178,874,735,852,836
5. Step 5: Solve for x
   x = 178,874,735,852,836/9,145,144
6. Step 6: Final answer
   x = 19,559,531.91