Finding the Third Proportional to 360,667.75 and 562,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   360,667.75 : 562,837.50 = 562,837.50 : x
2. Step 2: Convert to fraction form
   360,667.75/562,837.50 = 562,837.50/x
3. Step 3: Cross multiply
   360,667.75x = 562,837.50 × 562,837.50
4. Step 4: Simplify right side
   360,667.75x = 316,786,051,406.25
5. Step 5: Solve for x
   x = 316,786,051,406.25/360,667.75
6. Step 6: Final answer
   x = 878,332.07