Finding the Third Proportional to 88,783.50 and 188,583

Step by Step Solution

1. Step 1: Write the proportion equation
   88,783.50 : 188,583 = 188,583 : x
2. Step 2: Convert to fraction form
   88,783.50/188,583 = 188,583/x
3. Step 3: Cross multiply
   88,783.50x = 188,583 × 188,583
4. Step 4: Simplify right side
   88,783.50x = 35,563,547,889
5. Step 5: Solve for x
   x = 35,563,547,889/88,783.50
6. Step 6: Final answer
   x = 400,564.83