Finding the Third Proportional to 190,012.50 and 300,863.25

Step by Step Solution

1. Step 1: Write the proportion equation
   190,012.50 : 300,863.25 = 300,863.25 : x
2. Step 2: Convert to fraction form
   190,012.50/300,863.25 = 300,863.25/x
3. Step 3: Cross multiply
   190,012.50x = 300,863.25 × 300,863.25
4. Step 4: Simplify right side
   190,012.50x = 90,518,695,200.56
5. Step 5: Solve for x
   x = 90,518,695,200.56/190,012.50
6. Step 6: Final answer
   x = 476,382.84