Finding the Third Proportional to 181,402 and 423,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,402 : 423,603.50 = 423,603.50 : x
2. Step 2: Convert to fraction form
   181,402/423,603.50 = 423,603.50/x
3. Step 3: Cross multiply
   181,402x = 423,603.50 × 423,603.50
4. Step 4: Simplify right side
   181,402x = 179,439,925,212.25
5. Step 5: Solve for x
   x = 179,439,925,212.25/181,402
6. Step 6: Final answer
   x = 989,183.83