Finding the Third Proportional to 10,491,146,370 and 17,129,284,272

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491,146,370 : 17,129,284,272 = 17,129,284,272 : x
2. Step 2: Convert to fraction form
   10,491,146,370/17,129,284,272 = 17,129,284,272/x
3. Step 3: Cross multiply
   10,491,146,370x = 17,129,284,272 × 17,129,284,272
4. Step 4: Simplify right side
   10,491,146,370x = 293,412,379,670,986,555,392
5. Step 5: Solve for x
   x = 293,412,379,670,986,555,392/10,491,146,370
6. Step 6: Final answer
   x = 27,967,618,535.00