Finding the Third Proportional to 11,970,406 and 18,573,144

Step by Step Solution

1. Step 1: Write the proportion equation
   11,970,406 : 18,573,144 = 18,573,144 : x
2. Step 2: Convert to fraction form
   11,970,406/18,573,144 = 18,573,144/x
3. Step 3: Cross multiply
   11,970,406x = 18,573,144 × 18,573,144
4. Step 4: Simplify right side
   11,970,406x = 344,961,678,044,736
5. Step 5: Solve for x
   x = 344,961,678,044,736/11,970,406
6. Step 6: Final answer
   x = 28,817,876.19