Finding the Third Proportional to 40,777.88 and 89,834.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,777.88 : 89,834.63 = 89,834.63 : x
2. Step 2: Convert to fraction form
   40,777.88/89,834.63 = 89,834.63/x
3. Step 3: Cross multiply
   40,777.88x = 89,834.63 × 89,834.63
4. Step 4: Simplify right side
   40,777.88x = 8,070,259,848.89
5. Step 5: Solve for x
   x = 8,070,259,848.89/40,777.88
6. Step 6: Final answer
   x = 197,907.81