Finding the Third Proportional to 210,351 and 283,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,351 : 283,432.50 = 283,432.50 : x
2. Step 2: Convert to fraction form
   210,351/283,432.50 = 283,432.50/x
3. Step 3: Cross multiply
   210,351x = 283,432.50 × 283,432.50
4. Step 4: Simplify right side
   210,351x = 80,333,982,056.25
5. Step 5: Solve for x
   x = 80,333,982,056.25/210,351
6. Step 6: Final answer
   x = 381,904.45