Finding the Third Proportional to 1,658,138 and 3,569,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,138 : 3,569,968 = 3,569,968 : x
2. Step 2: Convert to fraction form
   1,658,138/3,569,968 = 3,569,968/x
3. Step 3: Cross multiply
   1,658,138x = 3,569,968 × 3,569,968
4. Step 4: Simplify right side
   1,658,138x = 12,744,671,521,024
5. Step 5: Solve for x
   x = 12,744,671,521,024/1,658,138
6. Step 6: Final answer
   x = 7,686,134.40