Finding the Third Proportional to 2,570,320 and 5,583,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,320 : 5,583,740 = 5,583,740 : x
2. Step 2: Convert to fraction form
   2,570,320/5,583,740 = 5,583,740/x
3. Step 3: Cross multiply
   2,570,320x = 5,583,740 × 5,583,740
4. Step 4: Simplify right side
   2,570,320x = 31,178,152,387,600
5. Step 5: Solve for x
   x = 31,178,152,387,600/2,570,320
6. Step 6: Final answer
   x = 12,130,066.45