Finding the Third Proportional to 81,420,162 and 175,594,422

Step by Step Solution

1. Step 1: Write the proportion equation
   81,420,162 : 175,594,422 = 175,594,422 : x
2. Step 2: Convert to fraction form
   81,420,162/175,594,422 = 175,594,422/x
3. Step 3: Cross multiply
   81,420,162x = 175,594,422 × 175,594,422
4. Step 4: Simplify right side
   81,420,162x = 30,833,401,037,514,084
5. Step 5: Solve for x
   x = 30,833,401,037,514,084/81,420,162
6. Step 6: Final answer
   x = 378,694,911.43