Finding the Third Proportional to 191,028 and 415,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,028 : 415,228.50 = 415,228.50 : x
2. Step 2: Convert to fraction form
   191,028/415,228.50 = 415,228.50/x
3. Step 3: Cross multiply
   191,028x = 415,228.50 × 415,228.50
4. Step 4: Simplify right side
   191,028x = 172,414,707,212.25
5. Step 5: Solve for x
   x = 172,414,707,212.25/191,028
6. Step 6: Final answer
   x = 902,562.49