Finding the Third Proportional to 200,589 and 437,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,589 : 437,155.50 = 437,155.50 : x
2. Step 2: Convert to fraction form
   200,589/437,155.50 = 437,155.50/x
3. Step 3: Cross multiply
   200,589x = 437,155.50 × 437,155.50
4. Step 4: Simplify right side
   200,589x = 191,104,931,180.25
5. Step 5: Solve for x
   x = 191,104,931,180.25/200,589
6. Step 6: Final answer
   x = 952,718.90