Finding the Third Proportional to 254,184 and 501,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,184 : 501,988.50 = 501,988.50 : x
2. Step 2: Convert to fraction form
   254,184/501,988.50 = 501,988.50/x
3. Step 3: Cross multiply
   254,184x = 501,988.50 × 501,988.50
4. Step 4: Simplify right side
   254,184x = 251,992,454,132.25
5. Step 5: Solve for x
   x = 251,992,454,132.25/254,184
6. Step 6: Final answer
   x = 991,378.11