Finding the Third Proportional to 1,145,642 and 1,683,375

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,642 : 1,683,375 = 1,683,375 : x
2. Step 2: Convert to fraction form
   1,145,642/1,683,375 = 1,683,375/x
3. Step 3: Cross multiply
   1,145,642x = 1,683,375 × 1,683,375
4. Step 4: Simplify right side
   1,145,642x = 2,833,751,390,625
5. Step 5: Solve for x
   x = 2,833,751,390,625/1,145,642
6. Step 6: Final answer
   x = 2,473,505.15