Finding the Third Proportional to 90,541.05 and 196,824.59

Step by Step Solution

1. Step 1: Write the proportion equation
   90,541.05 : 196,824.59 = 196,824.59 : x
2. Step 2: Convert to fraction form
   90,541.05/196,824.59 = 196,824.59/x
3. Step 3: Cross multiply
   90,541.05x = 196,824.59 × 196,824.59
4. Step 4: Simplify right side
   90,541.05x = 38,739,917,629.47
5. Step 5: Solve for x
   x = 38,739,917,629.47/90,541.05
6. Step 6: Final answer
   x = 427,871.29