Finding the Third Proportional to 194,208 and 262,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,208 : 262,390.50 = 262,390.50 : x
2. Step 2: Convert to fraction form
   194,208/262,390.50 = 262,390.50/x
3. Step 3: Cross multiply
   194,208x = 262,390.50 × 262,390.50
4. Step 4: Simplify right side
   194,208x = 68,848,774,490.25
5. Step 5: Solve for x
   x = 68,848,774,490.25/194,208
6. Step 6: Final answer
   x = 354,510.50