Finding the Third Proportional to 77,653,134 and 123,621,096

Step by Step Solution

1. Step 1: Write the proportion equation
   77,653,134 : 123,621,096 = 123,621,096 : x
2. Step 2: Convert to fraction form
   77,653,134/123,621,096 = 123,621,096/x
3. Step 3: Cross multiply
   77,653,134x = 123,621,096 × 123,621,096
4. Step 4: Simplify right side
   77,653,134x = 15,282,175,376,241,216
5. Step 5: Solve for x
   x = 15,282,175,376,241,216/77,653,134
6. Step 6: Final answer
   x = 196,800,497.15