Finding the Third Proportional to 91,904 and 191,584

Step by Step Solution

1. Step 1: Write the proportion equation
   91,904 : 191,584 = 191,584 : x
2. Step 2: Convert to fraction form
   91,904/191,584 = 191,584/x
3. Step 3: Cross multiply
   91,904x = 191,584 × 191,584
4. Step 4: Simplify right side
   91,904x = 36,704,429,056
5. Step 5: Solve for x
   x = 36,704,429,056/91,904
6. Step 6: Final answer
   x = 399,377.93