Finding the Third Proportional to 359,291 and 563,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,291 : 563,621.50 = 563,621.50 : x
2. Step 2: Convert to fraction form
   359,291/563,621.50 = 563,621.50/x
3. Step 3: Cross multiply
   359,291x = 563,621.50 × 563,621.50
4. Step 4: Simplify right side
   359,291x = 317,669,195,262.25
5. Step 5: Solve for x
   x = 317,669,195,262.25/359,291
6. Step 6: Final answer
   x = 884,155.73