Finding the Third Proportional to 33,699,180 and 72,768,172

Step by Step Solution

1. Step 1: Write the proportion equation
   33,699,180 : 72,768,172 = 72,768,172 : x
2. Step 2: Convert to fraction form
   33,699,180/72,768,172 = 72,768,172/x
3. Step 3: Cross multiply
   33,699,180x = 72,768,172 × 72,768,172
4. Step 4: Simplify right side
   33,699,180x = 5,295,206,856,221,584
5. Step 5: Solve for x
   x = 5,295,206,856,221,584/33,699,180
6. Step 6: Final answer
   x = 157,131,623.27