Finding the Third Proportional to 11,973,144 and 18,258,606

Step by Step Solution

1. Step 1: Write the proportion equation
   11,973,144 : 18,258,606 = 18,258,606 : x
2. Step 2: Convert to fraction form
   11,973,144/18,258,606 = 18,258,606/x
3. Step 3: Cross multiply
   11,973,144x = 18,258,606 × 18,258,606
4. Step 4: Simplify right side
   11,973,144x = 333,376,693,063,236
5. Step 5: Solve for x
   x = 333,376,693,063,236/11,973,144
6. Step 6: Final answer
   x = 27,843,705.30