Finding the Third Proportional to 88,009.03 and 189,285.61

Step by Step Solution

1. Step 1: Write the proportion equation
   88,009.03 : 189,285.61 = 189,285.61 : x
2. Step 2: Convert to fraction form
   88,009.03/189,285.61 = 189,285.61/x
3. Step 3: Cross multiply
   88,009.03x = 189,285.61 × 189,285.61
4. Step 4: Simplify right side
   88,009.03x = 35,829,041,916.47
5. Step 5: Solve for x
   x = 35,829,041,916.47/88,009.03
6. Step 6: Final answer
   x = 407,106.42