Finding the Third Proportional to 2,507,139 and 5,413,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507,139 : 5,413,284 = 5,413,284 : x
2. Step 2: Convert to fraction form
   2,507,139/5,413,284 = 5,413,284/x
3. Step 3: Cross multiply
   2,507,139x = 5,413,284 × 5,413,284
4. Step 4: Simplify right side
   2,507,139x = 29,303,643,664,656
5. Step 5: Solve for x
   x = 29,303,643,664,656/2,507,139
6. Step 6: Final answer
   x = 11,688,080.98