Finding the Third Proportional to 78,631,134 and 123,080,274

Step by Step Solution

1. Step 1: Write the proportion equation
   78,631,134 : 123,080,274 = 123,080,274 : x
2. Step 2: Convert to fraction form
   78,631,134/123,080,274 = 123,080,274/x
3. Step 3: Cross multiply
   78,631,134x = 123,080,274 × 123,080,274
4. Step 4: Simplify right side
   78,631,134x = 15,148,753,847,915,076
5. Step 5: Solve for x
   x = 15,148,753,847,915,076/78,631,134
6. Step 6: Final answer
   x = 192,655,924.92