Finding the Third Proportional to 191,350.50 and 417,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,350.50 : 417,145.50 = 417,145.50 : x
2. Step 2: Convert to fraction form
   191,350.50/417,145.50 = 417,145.50/x
3. Step 3: Cross multiply
   191,350.50x = 417,145.50 × 417,145.50
4. Step 4: Simplify right side
   191,350.50x = 174,010,368,170.25
5. Step 5: Solve for x
   x = 174,010,368,170.25/191,350.50
6. Step 6: Final answer
   x = 909,380.26