Finding the Third Proportional to 556,308 and 837,054

Step by Step Solution

1. Step 1: Write the proportion equation
   556,308 : 837,054 = 837,054 : x
2. Step 2: Convert to fraction form
   556,308/837,054 = 837,054/x
3. Step 3: Cross multiply
   556,308x = 837,054 × 837,054
4. Step 4: Simplify right side
   556,308x = 700,659,398,916
5. Step 5: Solve for x
   x = 700,659,398,916/556,308
6. Step 6: Final answer
   x = 1,259,481.08