Finding the Third Proportional to 123,540,066 and 263,495,484

Step by Step Solution

1. Step 1: Write the proportion equation
   123,540,066 : 263,495,484 = 263,495,484 : x
2. Step 2: Convert to fraction form
   123,540,066/263,495,484 = 263,495,484/x
3. Step 3: Cross multiply
   123,540,066x = 263,495,484 × 263,495,484
4. Step 4: Simplify right side
   123,540,066x = 69,429,870,088,394,256
5. Step 5: Solve for x
   x = 69,429,870,088,394,256/123,540,066
6. Step 6: Final answer
   x = 562,002,857.34