Finding the Third Proportional to 86,484.52 and 189,995.06

Step by Step Solution

1. Step 1: Write the proportion equation
   86,484.52 : 189,995.06 = 189,995.06 : x
2. Step 2: Convert to fraction form
   86,484.52/189,995.06 = 189,995.06/x
3. Step 3: Cross multiply
   86,484.52x = 189,995.06 × 189,995.06
4. Step 4: Simplify right side
   86,484.52x = 36,098,123,774.38
5. Step 5: Solve for x
   x = 36,098,123,774.38/86,484.52
6. Step 6: Final answer
   x = 417,394.07