Finding the Third Proportional to 105,854,139 and 229,297,957.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,854,139 : 229,297,957.88 = 229,297,957.88 : x
2. Step 2: Convert to fraction form
   105,854,139/229,297,957.88 = 229,297,957.88/x
3. Step 3: Cross multiply
   105,854,139x = 229,297,957.88 × 229,297,957.88
4. Step 4: Simplify right side
   105,854,139x = 52,577,553,485,645,272
5. Step 5: Solve for x
   x = 52,577,553,485,645,272/105,854,139
6. Step 6: Final answer
   x = 496,698,135.59