Finding the Third Proportional to 187,756.50 and 391,044

Step by Step Solution

1. Step 1: Write the proportion equation
   187,756.50 : 391,044 = 391,044 : x
2. Step 2: Convert to fraction form
   187,756.50/391,044 = 391,044/x
3. Step 3: Cross multiply
   187,756.50x = 391,044 × 391,044
4. Step 4: Simplify right side
   187,756.50x = 152,915,409,936
5. Step 5: Solve for x
   x = 152,915,409,936/187,756.50
6. Step 6: Final answer
   x = 814,434.71