Finding the Third Proportional to 123,540,093 and 263,495,538

Step by Step Solution

1. Step 1: Write the proportion equation
   123,540,093 : 263,495,538 = 263,495,538 : x
2. Step 2: Convert to fraction form
   123,540,093/263,495,538 = 263,495,538/x
3. Step 3: Cross multiply
   123,540,093x = 263,495,538 × 263,495,538
4. Step 4: Simplify right side
   123,540,093x = 69,429,898,545,909,440
5. Step 5: Solve for x
   x = 69,429,898,545,909,440/123,540,093
6. Step 6: Final answer
   x = 562,002,964.87