Finding the Third Proportional to 56,041,686 and 123,116,242

Step by Step Solution

1. Step 1: Write the proportion equation
   56,041,686 : 123,116,242 = 123,116,242 : x
2. Step 2: Convert to fraction form
   56,041,686/123,116,242 = 123,116,242/x
3. Step 3: Cross multiply
   56,041,686x = 123,116,242 × 123,116,242
4. Step 4: Simplify right side
   56,041,686x = 15,157,609,044,202,564
5. Step 5: Solve for x
   x = 15,157,609,044,202,564/56,041,686
6. Step 6: Final answer
   x = 270,470,253.95