Finding the Third Proportional to 63,755,217,580 and 139,520,520,632

Step by Step Solution

1. Step 1: Write the proportion equation
   63,755,217,580 : 139,520,520,632 = 139,520,520,632 : x
2. Step 2: Convert to fraction form
   63,755,217,580/139,520,520,632 = 139,520,520,632/x
3. Step 3: Cross multiply
   63,755,217,580x = 139,520,520,632 × 139,520,520,632
4. Step 4: Simplify right side
   63,755,217,580x = 19,465,975,677,424,337,158,144
5. Step 5: Solve for x
   x = 19,465,975,677,424,337,158,144/63,755,217,580
6. Step 6: Final answer
   x = 305,323,649,048.78