Finding the Third Proportional to 140,981.77 and 218,151.35

Step by Step Solution

1. Step 1: Write the proportion equation
   140,981.77 : 218,151.35 = 218,151.35 : x
2. Step 2: Convert to fraction form
   140,981.77/218,151.35 = 218,151.35/x
3. Step 3: Cross multiply
   140,981.77x = 218,151.35 × 218,151.35
4. Step 4: Simplify right side
   140,981.77x = 47,590,012,188.55
5. Step 5: Solve for x
   x = 47,590,012,188.55/140,981.77
6. Step 6: Final answer
   x = 337,561.47