Finding the Third Proportional to 183,463.50 and 280,666

Step by Step Solution

1. Step 1: Write the proportion equation
   183,463.50 : 280,666 = 280,666 : x
2. Step 2: Convert to fraction form
   183,463.50/280,666 = 280,666/x
3. Step 3: Cross multiply
   183,463.50x = 280,666 × 280,666
4. Step 4: Simplify right side
   183,463.50x = 78,773,403,556
5. Step 5: Solve for x
   x = 78,773,403,556/183,463.50
6. Step 6: Final answer
   x = 429,368.26