Finding the Third Proportional to 79,439,845.50 and 171,420,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,439,845.50 : 171,420,185.25 = 171,420,185.25 : x
2. Step 2: Convert to fraction form
   79,439,845.50/171,420,185.25 = 171,420,185.25/x
3. Step 3: Cross multiply
   79,439,845.50x = 171,420,185.25 × 171,420,185.25
4. Step 4: Simplify right side
   79,439,845.50x = 29,384,879,911,144,316
5. Step 5: Solve for x
   x = 29,384,879,911,144,316/79,439,845.50
6. Step 6: Final answer
   x = 369,901,020.40