Finding the Third Proportional to 21,558.66 and 45,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,558.66 : 45,706.78 = 45,706.78 : x
2. Step 2: Convert to fraction form
   21,558.66/45,706.78 = 45,706.78/x
3. Step 3: Cross multiply
   21,558.66x = 45,706.78 × 45,706.78
4. Step 4: Simplify right side
   21,558.66x = 2,089,109,852.24
5. Step 5: Solve for x
   x = 2,089,109,852.24/21,558.66
6. Step 6: Final answer
   x = 96,903.53