Finding the Third Proportional to 40,783.60 and 89,611.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,783.60 : 89,611.47 = 89,611.47 : x
2. Step 2: Convert to fraction form
   40,783.60/89,611.47 = 89,611.47/x
3. Step 3: Cross multiply
   40,783.60x = 89,611.47 × 89,611.47
4. Step 4: Simplify right side
   40,783.60x = 8,030,215,681.58
5. Step 5: Solve for x
   x = 8,030,215,681.58/40,783.60
6. Step 6: Final answer
   x = 196,898.16