Finding the Third Proportional to 2,570,439 and 5,583,369

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,439 : 5,583,369 = 5,583,369 : x
2. Step 2: Convert to fraction form
   2,570,439/5,583,369 = 5,583,369/x
3. Step 3: Cross multiply
   2,570,439x = 5,583,369 × 5,583,369
4. Step 4: Simplify right side
   2,570,439x = 31,174,009,390,161
5. Step 5: Solve for x
   x = 31,174,009,390,161/2,570,439
6. Step 6: Final answer
   x = 12,127,893.09