Finding the Third Proportional to 89,429.06 and 189,210.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,429.06 : 189,210.94 = 189,210.94 : x
2. Step 2: Convert to fraction form
   89,429.06/189,210.94 = 189,210.94/x
3. Step 3: Cross multiply
   89,429.06x = 189,210.94 × 189,210.94
4. Step 4: Simplify right side
   89,429.06x = 35,800,778,869.63
5. Step 5: Solve for x
   x = 35,800,778,869.63/89,429.06
6. Step 6: Final answer
   x = 400,326.00