Finding the Third Proportional to 9,965,112 and 20,725,306

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965,112 : 20,725,306 = 20,725,306 : x
2. Step 2: Convert to fraction form
   9,965,112/20,725,306 = 20,725,306/x
3. Step 3: Cross multiply
   9,965,112x = 20,725,306 × 20,725,306
4. Step 4: Simplify right side
   9,965,112x = 429,538,308,793,636
5. Step 5: Solve for x
   x = 429,538,308,793,636/9,965,112
6. Step 6: Final answer
   x = 43,104,212.86