Finding the Third Proportional to 2,031,187 and 4,342,310

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031,187 : 4,342,310 = 4,342,310 : x
2. Step 2: Convert to fraction form
   2,031,187/4,342,310 = 4,342,310/x
3. Step 3: Cross multiply
   2,031,187x = 4,342,310 × 4,342,310
4. Step 4: Simplify right side
   2,031,187x = 18,855,656,136,100
5. Step 5: Solve for x
   x = 18,855,656,136,100/2,031,187
6. Step 6: Final answer
   x = 9,283,072.48