Finding the Third Proportional to 1,997,388 and 4,368,435

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,388 : 4,368,435 = 4,368,435 : x
2. Step 2: Convert to fraction form
   1,997,388/4,368,435 = 4,368,435/x
3. Step 3: Cross multiply
   1,997,388x = 4,368,435 × 4,368,435
4. Step 4: Simplify right side
   1,997,388x = 19,083,224,349,225
5. Step 5: Solve for x
   x = 19,083,224,349,225/1,997,388
6. Step 6: Final answer
   x = 9,554,089.82