Finding the Third Proportional to 90,957 and 191,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,957 : 191,339.50 = 191,339.50 : x
2. Step 2: Convert to fraction form
   90,957/191,339.50 = 191,339.50/x
3. Step 3: Cross multiply
   90,957x = 191,339.50 × 191,339.50
4. Step 4: Simplify right side
   90,957x = 36,610,804,260.25
5. Step 5: Solve for x
   x = 36,610,804,260.25/90,957
6. Step 6: Final answer
   x = 402,506.73