Finding the Third Proportional to 189,061.50 and 283,592.25

Step by Step Solution

1. Step 1: Write the proportion equation
   189,061.50 : 283,592.25 = 283,592.25 : x
2. Step 2: Convert to fraction form
   189,061.50/283,592.25 = 283,592.25/x
3. Step 3: Cross multiply
   189,061.50x = 283,592.25 × 283,592.25
4. Step 4: Simplify right side
   189,061.50x = 80,424,564,260.06
5. Step 5: Solve for x
   x = 80,424,564,260.06/189,061.50
6. Step 6: Final answer
   x = 425,388.38