Finding the Third Proportional to 21,322,832 and 31,184,520

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,832 : 31,184,520 = 31,184,520 : x
2. Step 2: Convert to fraction form
   21,322,832/31,184,520 = 31,184,520/x
3. Step 3: Cross multiply
   21,322,832x = 31,184,520 × 31,184,520
4. Step 4: Simplify right side
   21,322,832x = 972,474,287,630,400
5. Step 5: Solve for x
   x = 972,474,287,630,400/21,322,832
6. Step 6: Final answer
   x = 45,607,182.37