Finding the Third Proportional to 191,719 and 403,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,719 : 403,269.50 = 403,269.50 : x
2. Step 2: Convert to fraction form
   191,719/403,269.50 = 403,269.50/x
3. Step 3: Cross multiply
   191,719x = 403,269.50 × 403,269.50
4. Step 4: Simplify right side
   191,719x = 162,626,289,630.25
5. Step 5: Solve for x
   x = 162,626,289,630.25/191,719
6. Step 6: Final answer
   x = 848,253.38