Finding the Third Proportional to 31,073,544 and 47,042,172

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073,544 : 47,042,172 = 47,042,172 : x
2. Step 2: Convert to fraction form
   31,073,544/47,042,172 = 47,042,172/x
3. Step 3: Cross multiply
   31,073,544x = 47,042,172 × 47,042,172
4. Step 4: Simplify right side
   31,073,544x = 2,212,965,946,477,584
5. Step 5: Solve for x
   x = 2,212,965,946,477,584/31,073,544
6. Step 6: Final answer
   x = 71,217,043.88