Finding the Third Proportional to 686,896 and 1,495,820

Step by Step Solution

1. Step 1: Write the proportion equation
   686,896 : 1,495,820 = 1,495,820 : x
2. Step 2: Convert to fraction form
   686,896/1,495,820 = 1,495,820/x
3. Step 3: Cross multiply
   686,896x = 1,495,820 × 1,495,820
4. Step 4: Simplify right side
   686,896x = 2,237,477,472,400
5. Step 5: Solve for x
   x = 2,237,477,472,400/686,896
6. Step 6: Final answer
   x = 3,257,374.44