Finding the Third Proportional to 5,320,172 and 8,254,713

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,172 : 8,254,713 = 8,254,713 : x
2. Step 2: Convert to fraction form
   5,320,172/8,254,713 = 8,254,713/x
3. Step 3: Cross multiply
   5,320,172x = 8,254,713 × 8,254,713
4. Step 4: Simplify right side
   5,320,172x = 68,140,286,712,369
5. Step 5: Solve for x
   x = 68,140,286,712,369/5,320,172
6. Step 6: Final answer
   x = 12,807,910.48