Finding the Third Proportional to 686,416 and 1,050,054

Step by Step Solution

1. Step 1: Write the proportion equation
   686,416 : 1,050,054 = 1,050,054 : x
2. Step 2: Convert to fraction form
   686,416/1,050,054 = 1,050,054/x
3. Step 3: Cross multiply
   686,416x = 1,050,054 × 1,050,054
4. Step 4: Simplify right side
   686,416x = 1,102,613,402,916
5. Step 5: Solve for x
   x = 1,102,613,402,916/686,416
6. Step 6: Final answer
   x = 1,606,334.06