Finding the Third Proportional to 21,322,620 and 31,184,244

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,620 : 31,184,244 = 31,184,244 : x
2. Step 2: Convert to fraction form
   21,322,620/31,184,244 = 31,184,244/x
3. Step 3: Cross multiply
   21,322,620x = 31,184,244 × 31,184,244
4. Step 4: Simplify right side
   21,322,620x = 972,457,073,851,536
5. Step 5: Solve for x
   x = 972,457,073,851,536/21,322,620
6. Step 6: Final answer
   x = 45,606,828.52