Finding the Third Proportional to 98,528.91 and 204,064.31

Step by Step Solution

1. Step 1: Write the proportion equation
   98,528.91 : 204,064.31 = 204,064.31 : x
2. Step 2: Convert to fraction form
   98,528.91/204,064.31 = 204,064.31/x
3. Step 3: Cross multiply
   98,528.91x = 204,064.31 × 204,064.31
4. Step 4: Simplify right side
   98,528.91x = 41,642,243,636.10
5. Step 5: Solve for x
   x = 41,642,243,636.10/98,528.91
6. Step 6: Final answer
   x = 422,639.87