Finding the Third Proportional to 364,633.50 and 787,690

Step by Step Solution

1. Step 1: Write the proportion equation
   364,633.50 : 787,690 = 787,690 : x
2. Step 2: Convert to fraction form
   364,633.50/787,690 = 787,690/x
3. Step 3: Cross multiply
   364,633.50x = 787,690 × 787,690
4. Step 4: Simplify right side
   364,633.50x = 620,455,536,100
5. Step 5: Solve for x
   x = 620,455,536,100/364,633.50
6. Step 6: Final answer
   x = 1,701,586.76