Finding the Third Proportional to 25,864,155 and 43,105,189

Step by Step Solution

1. Step 1: Write the proportion equation
   25,864,155 : 43,105,189 = 43,105,189 : x
2. Step 2: Convert to fraction form
   25,864,155/43,105,189 = 43,105,189/x
3. Step 3: Cross multiply
   25,864,155x = 43,105,189 × 43,105,189
4. Step 4: Simplify right side
   25,864,155x = 1,858,057,318,725,721
5. Step 5: Solve for x
   x = 1,858,057,318,725,721/25,864,155
6. Step 6: Final answer
   x = 71,839,088.45