Finding the Third Proportional to 1,139,232 and 2,689,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,232 : 2,689,266 = 2,689,266 : x
2. Step 2: Convert to fraction form
   1,139,232/2,689,266 = 2,689,266/x
3. Step 3: Cross multiply
   1,139,232x = 2,689,266 × 2,689,266
4. Step 4: Simplify right side
   1,139,232x = 7,232,151,618,756
5. Step 5: Solve for x
   x = 7,232,151,618,756/1,139,232
6. Step 6: Final answer
   x = 6,348,269.38