Finding the Third Proportional to 1,155,258 and 2,576,146

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,258 : 2,576,146 = 2,576,146 : x
2. Step 2: Convert to fraction form
   1,155,258/2,576,146 = 2,576,146/x
3. Step 3: Cross multiply
   1,155,258x = 2,576,146 × 2,576,146
4. Step 4: Simplify right side
   1,155,258x = 6,636,528,213,316
5. Step 5: Solve for x
   x = 6,636,528,213,316/1,155,258
6. Step 6: Final answer
   x = 5,744,628.66