Finding the Third Proportional to 1,684,740 and 3,977,098

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,740 : 3,977,098 = 3,977,098 : x
2. Step 2: Convert to fraction form
   1,684,740/3,977,098 = 3,977,098/x
3. Step 3: Cross multiply
   1,684,740x = 3,977,098 × 3,977,098
4. Step 4: Simplify right side
   1,684,740x = 15,817,308,501,604
5. Step 5: Solve for x
   x = 15,817,308,501,604/1,684,740
6. Step 6: Final answer
   x = 9,388,575.39