Finding the Third Proportional to 59,039,198.37 and 128,113,907.55

Step by Step Solution

1. Step 1: Write the proportion equation
   59,039,198.37 : 128,113,907.55 = 128,113,907.55 : x
2. Step 2: Convert to fraction form
   59,039,198.37/128,113,907.55 = 128,113,907.55/x
3. Step 3: Cross multiply
   59,039,198.37x = 128,113,907.55 × 128,113,907.55
4. Step 4: Simplify right side
   59,039,198.37x = 16,413,173,308,931,656
5. Step 5: Solve for x
   x = 16,413,173,308,931,656/59,039,198.37
6. Step 6: Final answer
   x = 278,004,677.62