Finding the Third Proportional to 402,792.75 and 877,473

Step by Step Solution

1. Step 1: Write the proportion equation
   402,792.75 : 877,473 = 877,473 : x
2. Step 2: Convert to fraction form
   402,792.75/877,473 = 877,473/x
3. Step 3: Cross multiply
   402,792.75x = 877,473 × 877,473
4. Step 4: Simplify right side
   402,792.75x = 769,958,865,729
5. Step 5: Solve for x
   x = 769,958,865,729/402,792.75
6. Step 6: Final answer
   x = 1,911,550.95