Finding the Third Proportional to 1,188,178 and 2,565,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,178 : 2,565,774 = 2,565,774 : x
2. Step 2: Convert to fraction form
   1,188,178/2,565,774 = 2,565,774/x
3. Step 3: Cross multiply
   1,188,178x = 2,565,774 × 2,565,774
4. Step 4: Simplify right side
   1,188,178x = 6,583,196,219,076
5. Step 5: Solve for x
   x = 6,583,196,219,076/1,188,178
6. Step 6: Final answer
   x = 5,540,580.80