Finding the Third Proportional to 686,868 and 1,050,696

Step by Step Solution

1. Step 1: Write the proportion equation
   686,868 : 1,050,696 = 1,050,696 : x
2. Step 2: Convert to fraction form
   686,868/1,050,696 = 1,050,696/x
3. Step 3: Cross multiply
   686,868x = 1,050,696 × 1,050,696
4. Step 4: Simplify right side
   686,868x = 1,103,962,084,416
5. Step 5: Solve for x
   x = 1,103,962,084,416/686,868
6. Step 6: Final answer
   x = 1,607,240.52