Finding the Third Proportional to 193,869 and 418,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,869 : 418,870.50 = 418,870.50 : x
2. Step 2: Convert to fraction form
   193,869/418,870.50 = 418,870.50/x
3. Step 3: Cross multiply
   193,869x = 418,870.50 × 418,870.50
4. Step 4: Simplify right side
   193,869x = 175,452,495,770.25
5. Step 5: Solve for x
   x = 175,452,495,770.25/193,869
6. Step 6: Final answer
   x = 905,005.42