Finding the Third Proportional to 5,320,254 and 8,254,818

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,254 : 8,254,818 = 8,254,818 : x
2. Step 2: Convert to fraction form
   5,320,254/8,254,818 = 8,254,818/x
3. Step 3: Cross multiply
   5,320,254x = 8,254,818 × 8,254,818
4. Step 4: Simplify right side
   5,320,254x = 68,142,020,213,124
5. Step 5: Solve for x
   x = 68,142,020,213,124/5,320,254
6. Step 6: Final answer
   x = 12,808,038.90