Finding the Third Proportional to 3,526,320 and 5,237,640

Step by Step Solution

1. Step 1: Write the proportion equation
   3,526,320 : 5,237,640 = 5,237,640 : x
2. Step 2: Convert to fraction form
   3,526,320/5,237,640 = 5,237,640/x
3. Step 3: Cross multiply
   3,526,320x = 5,237,640 × 5,237,640
4. Step 4: Simplify right side
   3,526,320x = 27,432,872,769,600
5. Step 5: Solve for x
   x = 27,432,872,769,600/3,526,320
6. Step 6: Final answer
   x = 7,779,462.09