Finding the Third Proportional to 191,007 and 290,884.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,007 : 290,884.50 = 290,884.50 : x
2. Step 2: Convert to fraction form
   191,007/290,884.50 = 290,884.50/x
3. Step 3: Cross multiply
   191,007x = 290,884.50 × 290,884.50
4. Step 4: Simplify right side
   191,007x = 84,613,792,340.25
5. Step 5: Solve for x
   x = 84,613,792,340.25/191,007
6. Step 6: Final answer
   x = 442,987.91