Finding the Third Proportional to 748,515 and 1,636,998

Step by Step Solution

1. Step 1: Write the proportion equation
   748,515 : 1,636,998 = 1,636,998 : x
2. Step 2: Convert to fraction form
   748,515/1,636,998 = 1,636,998/x
3. Step 3: Cross multiply
   748,515x = 1,636,998 × 1,636,998
4. Step 4: Simplify right side
   748,515x = 2,679,762,452,004
5. Step 5: Solve for x
   x = 2,679,762,452,004/748,515
6. Step 6: Final answer
   x = 3,580,105.21