Finding the Third Proportional to 194,088 and 422,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,088 : 422,347.50 = 422,347.50 : x
2. Step 2: Convert to fraction form
   194,088/422,347.50 = 422,347.50/x
3. Step 3: Cross multiply
   194,088x = 422,347.50 × 422,347.50
4. Step 4: Simplify right side
   194,088x = 178,377,410,756.25
5. Step 5: Solve for x
   x = 178,377,410,756.25/194,088
6. Step 6: Final answer
   x = 919,054.30