Finding the Third Proportional to 5,320,173 and 8,254,719

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,173 : 8,254,719 = 8,254,719 : x
2. Step 2: Convert to fraction form
   5,320,173/8,254,719 = 8,254,719/x
3. Step 3: Cross multiply
   5,320,173x = 8,254,719 × 8,254,719
4. Step 4: Simplify right side
   5,320,173x = 68,140,385,768,961
5. Step 5: Solve for x
   x = 68,140,385,768,961/5,320,173
6. Step 6: Final answer
   x = 12,807,926.69