Finding the Third Proportional to 67,478,877,595 and 140,542,942,036

Step by Step Solution

1. Step 1: Write the proportion equation
   67,478,877,595 : 140,542,942,036 = 140,542,942,036 : x
2. Step 2: Convert to fraction form
   67,478,877,595/140,542,942,036 = 140,542,942,036/x
3. Step 3: Cross multiply
   67,478,877,595x = 140,542,942,036 × 140,542,942,036
4. Step 4: Simplify right side
   67,478,877,595x = 19,752,318,556,134,457,737,216
5. Step 5: Solve for x
   x = 19,752,318,556,134,457,737,216/67,478,877,595
6. Step 6: Final answer
   x = 292,718,540,380.67