Finding the Third Proportional to 90,958 and 191,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,958 : 191,341.50 = 191,341.50 : x
2. Step 2: Convert to fraction form
   90,958/191,341.50 = 191,341.50/x
3. Step 3: Cross multiply
   90,958x = 191,341.50 × 191,341.50
4. Step 4: Simplify right side
   90,958x = 36,611,569,622.25
5. Step 5: Solve for x
   x = 36,611,569,622.25/90,958
6. Step 6: Final answer
   x = 402,510.72