Finding the Third Proportional to 96,921.56 and 209,410.31

Step by Step Solution

1. Step 1: Write the proportion equation
   96,921.56 : 209,410.31 = 209,410.31 : x
2. Step 2: Convert to fraction form
   96,921.56/209,410.31 = 209,410.31/x
3. Step 3: Cross multiply
   96,921.56x = 209,410.31 × 209,410.31
4. Step 4: Simplify right side
   96,921.56x = 43,852,678,981.35
5. Step 5: Solve for x
   x = 43,852,678,981.35/96,921.56
6. Step 6: Final answer
   x = 452,455.34