Finding the Third Proportional to 99,200.25 and 214,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,200.25 : 214,081.88 = 214,081.88 : x
2. Step 2: Convert to fraction form
   99,200.25/214,081.88 = 214,081.88/x
3. Step 3: Cross multiply
   99,200.25x = 214,081.88 × 214,081.88
4. Step 4: Simplify right side
   99,200.25x = 45,831,049,203.52
5. Step 5: Solve for x
   x = 45,831,049,203.52/99,200.25
6. Step 6: Final answer
   x = 462,005.38