Finding the Third Proportional to 365,814 and 562,988.25

Step by Step Solution

1. Step 1: Write the proportion equation
   365,814 : 562,988.25 = 562,988.25 : x
2. Step 2: Convert to fraction form
   365,814/562,988.25 = 562,988.25/x
3. Step 3: Cross multiply
   365,814x = 562,988.25 × 562,988.25
4. Step 4: Simplify right side
   365,814x = 316,955,769,638.06
5. Step 5: Solve for x
   x = 316,955,769,638.06/365,814
6. Step 6: Final answer
   x = 866,439.69