Finding the Third Proportional to 4,365,879 and 9,184,178

Step by Step Solution

1. Step 1: Write the proportion equation
   4,365,879 : 9,184,178 = 9,184,178 : x
2. Step 2: Convert to fraction form
   4,365,879/9,184,178 = 9,184,178/x
3. Step 3: Cross multiply
   4,365,879x = 9,184,178 × 9,184,178
4. Step 4: Simplify right side
   4,365,879x = 84,349,125,535,684
5. Step 5: Solve for x
   x = 84,349,125,535,684/4,365,879
6. Step 6: Final answer
   x = 19,320,078.62