Finding the Third Proportional to 2,174,772 and 5,116,800

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,772 : 5,116,800 = 5,116,800 : x
2. Step 2: Convert to fraction form
   2,174,772/5,116,800 = 5,116,800/x
3. Step 3: Cross multiply
   2,174,772x = 5,116,800 × 5,116,800
4. Step 4: Simplify right side
   2,174,772x = 26,181,642,240,000
5. Step 5: Solve for x
   x = 26,181,642,240,000/2,174,772
6. Step 6: Final answer
   x = 12,038,798.66