Finding the Third Proportional to 6,998,577.50 and 10,007,978

Step by Step Solution

1. Step 1: Write the proportion equation
   6,998,577.50 : 10,007,978 = 10,007,978 : x
2. Step 2: Convert to fraction form
   6,998,577.50/10,007,978 = 10,007,978/x
3. Step 3: Cross multiply
   6,998,577.50x = 10,007,978 × 10,007,978
4. Step 4: Simplify right side
   6,998,577.50x = 100,159,623,648,484
5. Step 5: Solve for x
   x = 100,159,623,648,484/6,998,577.50
6. Step 6: Final answer
   x = 14,311,425.95