Finding the Third Proportional to 353,093 and 784,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,093 : 784,645.50 = 784,645.50 : x
2. Step 2: Convert to fraction form
   353,093/784,645.50 = 784,645.50/x
3. Step 3: Cross multiply
   353,093x = 784,645.50 × 784,645.50
4. Step 4: Simplify right side
   353,093x = 615,668,560,670.25
5. Step 5: Solve for x
   x = 615,668,560,670.25/353,093
6. Step 6: Final answer
   x = 1,743,644.20