Finding the Third Proportional to 2,665,688 and 5,756,132

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,688 : 5,756,132 = 5,756,132 : x
2. Step 2: Convert to fraction form
   2,665,688/5,756,132 = 5,756,132/x
3. Step 3: Cross multiply
   2,665,688x = 5,756,132 × 5,756,132
4. Step 4: Simplify right side
   2,665,688x = 33,133,055,601,424
5. Step 5: Solve for x
   x = 33,133,055,601,424/2,665,688
6. Step 6: Final answer
   x = 12,429,457.46