Finding the Third Proportional to 235,084.50 and 358,134

Step by Step Solution

1. Step 1: Write the proportion equation
   235,084.50 : 358,134 = 358,134 : x
2. Step 2: Convert to fraction form
   235,084.50/358,134 = 358,134/x
3. Step 3: Cross multiply
   235,084.50x = 358,134 × 358,134
4. Step 4: Simplify right side
   235,084.50x = 128,259,961,956
5. Step 5: Solve for x
   x = 128,259,961,956/235,084.50
6. Step 6: Final answer
   x = 545,590.89