Finding the Third Proportional to 2,570,448 and 5,583,387

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,448 : 5,583,387 = 5,583,387 : x
2. Step 2: Convert to fraction form
   2,570,448/5,583,387 = 5,583,387/x
3. Step 3: Cross multiply
   2,570,448x = 5,583,387 × 5,583,387
4. Step 4: Simplify right side
   2,570,448x = 31,174,210,391,769
5. Step 5: Solve for x
   x = 31,174,210,391,769/2,570,448
6. Step 6: Final answer
   x = 12,127,928.82