Finding the Third Proportional to 190,903.50 and 376,986

Step by Step Solution

1. Step 1: Write the proportion equation
   190,903.50 : 376,986 = 376,986 : x
2. Step 2: Convert to fraction form
   190,903.50/376,986 = 376,986/x
3. Step 3: Cross multiply
   190,903.50x = 376,986 × 376,986
4. Step 4: Simplify right side
   190,903.50x = 142,118,444,196
5. Step 5: Solve for x
   x = 142,118,444,196/190,903.50
6. Step 6: Final answer
   x = 744,451.75