Finding the Third Proportional to 71,645,974 and 155,456,042

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,974 : 155,456,042 = 155,456,042 : x
2. Step 2: Convert to fraction form
   71,645,974/155,456,042 = 155,456,042/x
3. Step 3: Cross multiply
   71,645,974x = 155,456,042 × 155,456,042
4. Step 4: Simplify right side
   71,645,974x = 24,166,580,994,305,764
5. Step 5: Solve for x
   x = 24,166,580,994,305,764/71,645,974
6. Step 6: Final answer
   x = 337,305,498.76