Finding the Third Proportional to 77,882,067 and 170,231,139

Step by Step Solution

1. Step 1: Write the proportion equation
   77,882,067 : 170,231,139 = 170,231,139 : x
2. Step 2: Convert to fraction form
   77,882,067/170,231,139 = 170,231,139/x
3. Step 3: Cross multiply
   77,882,067x = 170,231,139 × 170,231,139
4. Step 4: Simplify right side
   77,882,067x = 28,978,640,685,237,320
5. Step 5: Solve for x
   x = 28,978,640,685,237,320/77,882,067
6. Step 6: Final answer
   x = 372,083,610.53