Finding the Third Proportional to 21,322,609 and 31,184,230

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,609 : 31,184,230 = 31,184,230 : x
2. Step 2: Convert to fraction form
   21,322,609/31,184,230 = 31,184,230/x
3. Step 3: Cross multiply
   21,322,609x = 31,184,230 × 31,184,230
4. Step 4: Simplify right side
   21,322,609x = 972,456,200,692,900
5. Step 5: Solve for x
   x = 972,456,200,692,900/21,322,609
6. Step 6: Final answer
   x = 45,606,811.09