Finding the Third Proportional to 436,671 and 694,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,671 : 694,381.50 = 694,381.50 : x
2. Step 2: Convert to fraction form
   436,671/694,381.50 = 694,381.50/x
3. Step 3: Cross multiply
   436,671x = 694,381.50 × 694,381.50
4. Step 4: Simplify right side
   436,671x = 482,165,667,542.25
5. Step 5: Solve for x
   x = 482,165,667,542.25/436,671
6. Step 6: Final answer
   x = 1,104,185.23