Finding the Third Proportional to 21,322,716 and 31,184,364

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,716 : 31,184,364 = 31,184,364 : x
2. Step 2: Convert to fraction form
   21,322,716/31,184,364 = 31,184,364/x
3. Step 3: Cross multiply
   21,322,716x = 31,184,364 × 31,184,364
4. Step 4: Simplify right side
   21,322,716x = 972,464,558,084,496
5. Step 5: Solve for x
   x = 972,464,558,084,496/21,322,716
6. Step 6: Final answer
   x = 45,606,974.18