Finding the Third Proportional to 272,493 and 598,749.75

Step by Step Solution

1. Step 1: Write the proportion equation
   272,493 : 598,749.75 = 598,749.75 : x
2. Step 2: Convert to fraction form
   272,493/598,749.75 = 598,749.75/x
3. Step 3: Cross multiply
   272,493x = 598,749.75 × 598,749.75
4. Step 4: Simplify right side
   272,493x = 358,501,263,125.06
5. Step 5: Solve for x
   x = 358,501,263,125.06/272,493
6. Step 6: Final answer
   x = 1,315,634.76