Finding the Third Proportional to 67,478,877,585 and 140,542,942,014

Step by Step Solution

1. Step 1: Write the proportion equation
   67,478,877,585 : 140,542,942,014 = 140,542,942,014 : x
2. Step 2: Convert to fraction form
   67,478,877,585/140,542,942,014 = 140,542,942,014/x
3. Step 3: Cross multiply
   67,478,877,585x = 140,542,942,014 × 140,542,942,014
4. Step 4: Simplify right side
   67,478,877,585x = 19,752,318,549,950,564,663,296
5. Step 5: Solve for x
   x = 19,752,318,549,950,564,663,296/67,478,877,585
6. Step 6: Final answer
   x = 292,718,540,332.41