Finding the Third Proportional to 123,540,095 and 263,495,542

Step by Step Solution

1. Step 1: Write the proportion equation
   123,540,095 : 263,495,542 = 263,495,542 : x
2. Step 2: Convert to fraction form
   123,540,095/263,495,542 = 263,495,542/x
3. Step 3: Cross multiply
   123,540,095x = 263,495,542 × 263,495,542
4. Step 4: Simplify right side
   123,540,095x = 69,429,900,653,873,760
5. Step 5: Solve for x
   x = 69,429,900,653,873,760/123,540,095
6. Step 6: Final answer
   x = 562,002,972.83