Finding the Third Proportional to 272,100.75 and 561,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,100.75 : 561,667.50 = 561,667.50 : x
2. Step 2: Convert to fraction form
   272,100.75/561,667.50 = 561,667.50/x
3. Step 3: Cross multiply
   272,100.75x = 561,667.50 × 561,667.50
4. Step 4: Simplify right side
   272,100.75x = 315,470,380,556.25
5. Step 5: Solve for x
   x = 315,470,380,556.25/272,100.75
6. Step 6: Final answer
   x = 1,159,388.13