Finding the Third Proportional to 254,187 and 501,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,187 : 501,994.50 = 501,994.50 : x
2. Step 2: Convert to fraction form
   254,187/501,994.50 = 501,994.50/x
3. Step 3: Cross multiply
   254,187x = 501,994.50 × 501,994.50
4. Step 4: Simplify right side
   254,187x = 251,998,478,030.25
5. Step 5: Solve for x
   x = 251,998,478,030.25/254,187
6. Step 6: Final answer
   x = 991,390.11