Finding the Third Proportional to 636,374,357.25 and 981,800,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   636,374,357.25 : 981,800,662.50 = 981,800,662.50 : x
2. Step 2: Convert to fraction form
   636,374,357.25/981,800,662.50 = 981,800,662.50/x
3. Step 3: Cross multiply
   636,374,357.25x = 981,800,662.50 × 981,800,662.50
4. Step 4: Simplify right side
   636,374,357.25x = 963,932,540,885,438,848
5. Step 5: Solve for x
   x = 963,932,540,885,438,848/636,374,357.25
6. Step 6: Final answer
   x = 1,514,725,616.93