Finding the Third Proportional to 11,770,420 and 17,997,774

Step by Step Solution

1. Step 1: Write the proportion equation
   11,770,420 : 17,997,774 = 17,997,774 : x
2. Step 2: Convert to fraction form
   11,770,420/17,997,774 = 17,997,774/x
3. Step 3: Cross multiply
   11,770,420x = 17,997,774 × 17,997,774
4. Step 4: Simplify right side
   11,770,420x = 323,919,868,955,076
5. Step 5: Solve for x
   x = 323,919,868,955,076/11,770,420
6. Step 6: Final answer
   x = 27,519,822.48