Finding the Third Proportional to 2,365,173 and 5,188,158

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365,173 : 5,188,158 = 5,188,158 : x
2. Step 2: Convert to fraction form
   2,365,173/5,188,158 = 5,188,158/x
3. Step 3: Cross multiply
   2,365,173x = 5,188,158 × 5,188,158
4. Step 4: Simplify right side
   2,365,173x = 26,916,983,432,964
5. Step 5: Solve for x
   x = 26,916,983,432,964/2,365,173
6. Step 6: Final answer
   x = 11,380,555.85