Finding the Third Proportional to 73,442,018 and 111,107,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,442,018 : 111,107,591.50 = 111,107,591.50 : x
2. Step 2: Convert to fraction form
   73,442,018/111,107,591.50 = 111,107,591.50/x
3. Step 3: Cross multiply
   73,442,018x = 111,107,591.50 × 111,107,591.50
4. Step 4: Simplify right side
   73,442,018x = 12,344,896,888,930,872
5. Step 5: Solve for x
   x = 12,344,896,888,930,872/73,442,018
6. Step 6: Final answer
   x = 168,090,382.39