Finding the Third Proportional to 2,031,930 and 4,343,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031,930 : 4,343,780 = 4,343,780 : x
2. Step 2: Convert to fraction form
   2,031,930/4,343,780 = 4,343,780/x
3. Step 3: Cross multiply
   2,031,930x = 4,343,780 × 4,343,780
4. Step 4: Simplify right side
   2,031,930x = 18,868,424,688,400
5. Step 5: Solve for x
   x = 18,868,424,688,400/2,031,930
6. Step 6: Final answer
   x = 9,285,961.96