Finding the Third Proportional to 37,458,085.50 and 81,723,198.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,458,085.50 : 81,723,198.38 = 81,723,198.38 : x
2. Step 2: Convert to fraction form
   37,458,085.50/81,723,198.38 = 81,723,198.38/x
3. Step 3: Cross multiply
   37,458,085.50x = 81,723,198.38 × 81,723,198.38
4. Step 4: Simplify right side
   37,458,085.50x = 6,678,681,152,639,603
5. Step 5: Solve for x
   x = 6,678,681,152,639,603/37,458,085.50
6. Step 6: Final answer
   x = 178,297,450.70