Finding the Third Proportional to 163,727.50 and 357,892

Step by Step Solution

1. Step 1: Write the proportion equation
   163,727.50 : 357,892 = 357,892 : x
2. Step 2: Convert to fraction form
   163,727.50/357,892 = 357,892/x
3. Step 3: Cross multiply
   163,727.50x = 357,892 × 357,892
4. Step 4: Simplify right side
   163,727.50x = 128,086,683,664
5. Step 5: Solve for x
   x = 128,086,683,664/163,727.50
6. Step 6: Final answer
   x = 782,316.25