Finding the Third Proportional to 79,428,336 and 171,404,580

Step by Step Solution

1. Step 1: Write the proportion equation
   79,428,336 : 171,404,580 = 171,404,580 : x
2. Step 2: Convert to fraction form
   79,428,336/171,404,580 = 171,404,580/x
3. Step 3: Cross multiply
   79,428,336x = 171,404,580 × 171,404,580
4. Step 4: Simplify right side
   79,428,336x = 29,379,530,044,976,400
5. Step 5: Solve for x
   x = 29,379,530,044,976,400/79,428,336
6. Step 6: Final answer
   x = 369,887,265.99