Finding the Third Proportional to 300,642.75 and 483,547.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,642.75 : 483,547.50 = 483,547.50 : x
2. Step 2: Convert to fraction form
   300,642.75/483,547.50 = 483,547.50/x
3. Step 3: Cross multiply
   300,642.75x = 483,547.50 × 483,547.50
4. Step 4: Simplify right side
   300,642.75x = 233,818,184,756.25
5. Step 5: Solve for x
   x = 233,818,184,756.25/300,642.75
6. Step 6: Final answer
   x = 777,727.67