Finding the Third Proportional to 49,857,618 and 74,587,123

Step by Step Solution

1. Step 1: Write the proportion equation
   49,857,618 : 74,587,123 = 74,587,123 : x
2. Step 2: Convert to fraction form
   49,857,618/74,587,123 = 74,587,123/x
3. Step 3: Cross multiply
   49,857,618x = 74,587,123 × 74,587,123
4. Step 4: Simplify right side
   49,857,618x = 5,563,238,917,417,129
5. Step 5: Solve for x
   x = 5,563,238,917,417,129/49,857,618
6. Step 6: Final answer
   x = 111,582,525.21