Finding the Third Proportional to 191,884 and 287,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,884 : 287,848.50 = 287,848.50 : x
2. Step 2: Convert to fraction form
   191,884/287,848.50 = 287,848.50/x
3. Step 3: Cross multiply
   191,884x = 287,848.50 × 287,848.50
4. Step 4: Simplify right side
   191,884x = 82,856,758,952.25
5. Step 5: Solve for x
   x = 82,856,758,952.25/191,884
6. Step 6: Final answer
   x = 431,806.50