Finding the Third Proportional to 71,645,986.50 and 155,456,067

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,986.50 : 155,456,067 = 155,456,067 : x
2. Step 2: Convert to fraction form
   71,645,986.50/155,456,067 = 155,456,067/x
3. Step 3: Cross multiply
   71,645,986.50x = 155,456,067 × 155,456,067
4. Step 4: Simplify right side
   71,645,986.50x = 24,166,588,767,108,488
5. Step 5: Solve for x
   x = 24,166,588,767,108,488/71,645,986.50
6. Step 6: Final answer
   x = 337,305,548.40