Finding the Third Proportional to 686,894 and 1,495,816

Step by Step Solution

1. Step 1: Write the proportion equation
   686,894 : 1,495,816 = 1,495,816 : x
2. Step 2: Convert to fraction form
   686,894/1,495,816 = 1,495,816/x
3. Step 3: Cross multiply
   686,894x = 1,495,816 × 1,495,816
4. Step 4: Simplify right side
   686,894x = 2,237,465,505,856
5. Step 5: Solve for x
   x = 2,237,465,505,856/686,894
6. Step 6: Final answer
   x = 3,257,366.50