Finding the Third Proportional to 407,880 and 573,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,880 : 573,364.50 = 573,364.50 : x
2. Step 2: Convert to fraction form
   407,880/573,364.50 = 573,364.50/x
3. Step 3: Cross multiply
   407,880x = 573,364.50 × 573,364.50
4. Step 4: Simplify right side
   407,880x = 328,746,849,860.25
5. Step 5: Solve for x
   x = 328,746,849,860.25/407,880
6. Step 6: Final answer
   x = 805,989.14