Finding the Third Proportional to 5,131,976 and 7,174,820

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131,976 : 7,174,820 = 7,174,820 : x
2. Step 2: Convert to fraction form
   5,131,976/7,174,820 = 7,174,820/x
3. Step 3: Cross multiply
   5,131,976x = 7,174,820 × 7,174,820
4. Step 4: Simplify right side
   5,131,976x = 51,478,042,032,400
5. Step 5: Solve for x
   x = 51,478,042,032,400/5,131,976
6. Step 6: Final answer
   x = 10,030,842.32