Finding the Third Proportional to 503,784.56 and 755,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,784.56 : 755,365.50 = 755,365.50 : x
2. Step 2: Convert to fraction form
   503,784.56/755,365.50 = 755,365.50/x
3. Step 3: Cross multiply
   503,784.56x = 755,365.50 × 755,365.50
4. Step 4: Simplify right side
   503,784.56x = 570,577,038,590.25
5. Step 5: Solve for x
   x = 570,577,038,590.25/503,784.56
6. Step 6: Final answer
   x = 1,132,581.43