Finding the Third Proportional to 98,634.38 and 215,725.88

Step by Step Solution

1. Step 1: Write the proportion equation
   98,634.38 : 215,725.88 = 215,725.88 : x
2. Step 2: Convert to fraction form
   98,634.38/215,725.88 = 215,725.88/x
3. Step 3: Cross multiply
   98,634.38x = 215,725.88 × 215,725.88
4. Step 4: Simplify right side
   98,634.38x = 46,537,653,144.52
5. Step 5: Solve for x
   x = 46,537,653,144.52/98,634.38
6. Step 6: Final answer
   x = 471,819.82