Finding the Third Proportional to 2,389,940 and 5,160,202

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,940 : 5,160,202 = 5,160,202 : x
2. Step 2: Convert to fraction form
   2,389,940/5,160,202 = 5,160,202/x
3. Step 3: Cross multiply
   2,389,940x = 5,160,202 × 5,160,202
4. Step 4: Simplify right side
   2,389,940x = 26,627,684,680,804
5. Step 5: Solve for x
   x = 26,627,684,680,804/2,389,940
6. Step 6: Final answer
   x = 11,141,570.37