Finding the Third Proportional to 5,131,968 and 7,174,808

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131,968 : 7,174,808 = 7,174,808 : x
2. Step 2: Convert to fraction form
   5,131,968/7,174,808 = 7,174,808/x
3. Step 3: Cross multiply
   5,131,968x = 7,174,808 × 7,174,808
4. Step 4: Simplify right side
   5,131,968x = 51,477,869,836,864
5. Step 5: Solve for x
   x = 51,477,869,836,864/5,131,968
6. Step 6: Final answer
   x = 10,030,824.40