Finding the Third Proportional to 5,320,174 and 8,254,716

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,174 : 8,254,716 = 8,254,716 : x
2. Step 2: Convert to fraction form
   5,320,174/8,254,716 = 8,254,716/x
3. Step 3: Cross multiply
   5,320,174x = 8,254,716 × 8,254,716
4. Step 4: Simplify right side
   5,320,174x = 68,140,336,240,656
5. Step 5: Solve for x
   x = 68,140,336,240,656/5,320,174
6. Step 6: Final answer
   x = 12,807,914.97