Finding the Third Proportional to 33,381,697.50 and 71,172,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,381,697.50 : 71,172,658.50 = 71,172,658.50 : x
2. Step 2: Convert to fraction form
   33,381,697.50/71,172,658.50 = 71,172,658.50/x
3. Step 3: Cross multiply
   33,381,697.50x = 71,172,658.50 × 71,172,658.50
4. Step 4: Simplify right side
   33,381,697.50x = 5,065,547,317,957,622
5. Step 5: Solve for x
   x = 5,065,547,317,957,622/33,381,697.50
6. Step 6: Final answer
   x = 151,746,247.12