Finding the Third Proportional to 670,598 and 1,445,740

Step by Step Solution

1. Step 1: Write the proportion equation
   670,598 : 1,445,740 = 1,445,740 : x
2. Step 2: Convert to fraction form
   670,598/1,445,740 = 1,445,740/x
3. Step 3: Cross multiply
   670,598x = 1,445,740 × 1,445,740
4. Step 4: Simplify right side
   670,598x = 2,090,164,147,600
5. Step 5: Solve for x
   x = 2,090,164,147,600/670,598
6. Step 6: Final answer
   x = 3,116,866.06