Finding the Third Proportional to 2,570,445 and 5,583,381

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,445 : 5,583,381 = 5,583,381 : x
2. Step 2: Convert to fraction form
   2,570,445/5,583,381 = 5,583,381/x
3. Step 3: Cross multiply
   2,570,445x = 5,583,381 × 5,583,381
4. Step 4: Simplify right side
   2,570,445x = 31,174,143,391,161
5. Step 5: Solve for x
   x = 31,174,143,391,161/2,570,445
6. Step 6: Final answer
   x = 12,127,916.91