Finding the Third Proportional to 5,151,978 and 7,570,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151,978 : 7,570,435.50 = 7,570,435.50 : x
2. Step 2: Convert to fraction form
   5,151,978/7,570,435.50 = 7,570,435.50/x
3. Step 3: Cross multiply
   5,151,978x = 7,570,435.50 × 7,570,435.50
4. Step 4: Simplify right side
   5,151,978x = 57,311,493,659,660.25
5. Step 5: Solve for x
   x = 57,311,493,659,660.25/5,151,978
6. Step 6: Final answer
   x = 11,124,172.82