Finding the Third Proportional to 37,198,768.50 and 78,822,729

Step by Step Solution

1. Step 1: Write the proportion equation
   37,198,768.50 : 78,822,729 = 78,822,729 : x
2. Step 2: Convert to fraction form
   37,198,768.50/78,822,729 = 78,822,729/x
3. Step 3: Cross multiply
   37,198,768.50x = 78,822,729 × 78,822,729
4. Step 4: Simplify right side
   37,198,768.50x = 6,213,022,607,007,441
5. Step 5: Solve for x
   x = 6,213,022,607,007,441/37,198,768.50
6. Step 6: Final answer
   x = 167,022,265.99