Finding the Third Proportional to 502,003.50 and 764,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   502,003.50 : 764,770.50 = 764,770.50 : x
2. Step 2: Convert to fraction form
   502,003.50/764,770.50 = 764,770.50/x
3. Step 3: Cross multiply
   502,003.50x = 764,770.50 × 764,770.50
4. Step 4: Simplify right side
   502,003.50x = 584,873,917,670.25
5. Step 5: Solve for x
   x = 584,873,917,670.25/502,003.50
6. Step 6: Final answer
   x = 1,165,079.36