Finding the Third Proportional to 689,103 and 1,461,690

Step by Step Solution

1. Step 1: Write the proportion equation
   689,103 : 1,461,690 = 1,461,690 : x
2. Step 2: Convert to fraction form
   689,103/1,461,690 = 1,461,690/x
3. Step 3: Cross multiply
   689,103x = 1,461,690 × 1,461,690
4. Step 4: Simplify right side
   689,103x = 2,136,537,656,100
5. Step 5: Solve for x
   x = 2,136,537,656,100/689,103
6. Step 6: Final answer
   x = 3,100,461.99