Finding the Third Proportional to 436,648 and 694,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,648 : 694,337.50 = 694,337.50 : x
2. Step 2: Convert to fraction form
   436,648/694,337.50 = 694,337.50/x
3. Step 3: Cross multiply
   436,648x = 694,337.50 × 694,337.50
4. Step 4: Simplify right side
   436,648x = 482,104,563,906.25
5. Step 5: Solve for x
   x = 482,104,563,906.25/436,648
6. Step 6: Final answer
   x = 1,104,103.45