Finding the Third Proportional to 181,731 and 424,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,731 : 424,492.50 = 424,492.50 : x
2. Step 2: Convert to fraction form
   181,731/424,492.50 = 424,492.50/x
3. Step 3: Cross multiply
   181,731x = 424,492.50 × 424,492.50
4. Step 4: Simplify right side
   181,731x = 180,193,882,556.25
5. Step 5: Solve for x
   x = 180,193,882,556.25/181,731
6. Step 6: Final answer
   x = 991,541.80