Finding the Third Proportional to 358,942.50 and 563,154

Step by Step Solution

1. Step 1: Write the proportion equation
   358,942.50 : 563,154 = 563,154 : x
2. Step 2: Convert to fraction form
   358,942.50/563,154 = 563,154/x
3. Step 3: Cross multiply
   358,942.50x = 563,154 × 563,154
4. Step 4: Simplify right side
   358,942.50x = 317,142,427,716
5. Step 5: Solve for x
   x = 317,142,427,716/358,942.50
6. Step 6: Final answer
   x = 883,546.61