Finding the Third Proportional to 694,021.50 and 945,486

Step by Step Solution

1. Step 1: Write the proportion equation
   694,021.50 : 945,486 = 945,486 : x
2. Step 2: Convert to fraction form
   694,021.50/945,486 = 945,486/x
3. Step 3: Cross multiply
   694,021.50x = 945,486 × 945,486
4. Step 4: Simplify right side
   694,021.50x = 893,943,776,196
5. Step 5: Solve for x
   x = 893,943,776,196/694,021.50
6. Step 6: Final answer
   x = 1,288,063.52