Finding the Third Proportional to 6,998,578.50 and 10,007,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,998,578.50 : 10,007,978.25 = 10,007,978.25 : x
2. Step 2: Convert to fraction form
   6,998,578.50/10,007,978.25 = 10,007,978.25/x
3. Step 3: Cross multiply
   6,998,578.50x = 10,007,978.25 × 10,007,978.25
4. Step 4: Simplify right side
   6,998,578.50x = 100,159,628,652,473.06
5. Step 5: Solve for x
   x = 100,159,628,652,473.06/6,998,578.50
6. Step 6: Final answer
   x = 14,311,424.62