Finding the Third Proportional to 98,536.50 and 203,634

Step by Step Solution

1. Step 1: Write the proportion equation
   98,536.50 : 203,634 = 203,634 : x
2. Step 2: Convert to fraction form
   98,536.50/203,634 = 203,634/x
3. Step 3: Cross multiply
   98,536.50x = 203,634 × 203,634
4. Step 4: Simplify right side
   98,536.50x = 41,466,805,956
5. Step 5: Solve for x
   x = 41,466,805,956/98,536.50
6. Step 6: Final answer
   x = 420,826.86