Finding the Third Proportional to 5,618,640 and 12,089,481

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618,640 : 12,089,481 = 12,089,481 : x
2. Step 2: Convert to fraction form
   5,618,640/12,089,481 = 12,089,481/x
3. Step 3: Cross multiply
   5,618,640x = 12,089,481 × 12,089,481
4. Step 4: Simplify right side
   5,618,640x = 146,155,550,849,361
5. Step 5: Solve for x
   x = 146,155,550,849,361/5,618,640
6. Step 6: Final answer
   x = 26,012,620.64