Finding the Third Proportional to 5,109,800 and 8,015,772

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109,800 : 8,015,772 = 8,015,772 : x
2. Step 2: Convert to fraction form
   5,109,800/8,015,772 = 8,015,772/x
3. Step 3: Cross multiply
   5,109,800x = 8,015,772 × 8,015,772
4. Step 4: Simplify right side
   5,109,800x = 64,252,600,755,984
5. Step 5: Solve for x
   x = 64,252,600,755,984/5,109,800
6. Step 6: Final answer
   x = 12,574,386.62