Finding the Third Proportional to 18,021,738 and 37,320,927

Step by Step Solution

1. Step 1: Write the proportion equation
   18,021,738 : 37,320,927 = 37,320,927 : x
2. Step 2: Convert to fraction form
   18,021,738/37,320,927 = 37,320,927/x
3. Step 3: Cross multiply
   18,021,738x = 37,320,927 × 37,320,927
4. Step 4: Simplify right side
   18,021,738x = 1,392,851,592,139,329
5. Step 5: Solve for x
   x = 1,392,851,592,139,329/18,021,738
6. Step 6: Final answer
   x = 77,287,306.70