Finding the Third Proportional to 366,810 and 773,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,810 : 773,434.50 = 773,434.50 : x
2. Step 2: Convert to fraction form
   366,810/773,434.50 = 773,434.50/x
3. Step 3: Cross multiply
   366,810x = 773,434.50 × 773,434.50
4. Step 4: Simplify right side
   366,810x = 598,200,925,790.25
5. Step 5: Solve for x
   x = 598,200,925,790.25/366,810
6. Step 6: Final answer
   x = 1,630,819.57