Finding the Third Proportional to 191,740 and 300,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,740 : 300,799.50 = 300,799.50 : x
2. Step 2: Convert to fraction form
   191,740/300,799.50 = 300,799.50/x
3. Step 3: Cross multiply
   191,740x = 300,799.50 × 300,799.50
4. Step 4: Simplify right side
   191,740x = 90,480,339,200.25
5. Step 5: Solve for x
   x = 90,480,339,200.25/191,740
6. Step 6: Final answer
   x = 471,890.79