Finding the Third Proportional to 360,784.50 and 777,492

Step by Step Solution

1. Step 1: Write the proportion equation
   360,784.50 : 777,492 = 777,492 : x
2. Step 2: Convert to fraction form
   360,784.50/777,492 = 777,492/x
3. Step 3: Cross multiply
   360,784.50x = 777,492 × 777,492
4. Step 4: Simplify right side
   360,784.50x = 604,493,810,064
5. Step 5: Solve for x
   x = 604,493,810,064/360,784.50
6. Step 6: Final answer
   x = 1,675,498.28