Finding the Third Proportional to 358,987 and 563,194.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,987 : 563,194.50 = 563,194.50 : x
2. Step 2: Convert to fraction form
   358,987/563,194.50 = 563,194.50/x
3. Step 3: Cross multiply
   358,987x = 563,194.50 × 563,194.50
4. Step 4: Simplify right side
   358,987x = 317,188,044,830.25
5. Step 5: Solve for x
   x = 317,188,044,830.25/358,987
6. Step 6: Final answer
   x = 883,564.15