Finding the Third Proportional to 1,391,174 and 2,931,782

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,174 : 2,931,782 = 2,931,782 : x
2. Step 2: Convert to fraction form
   1,391,174/2,931,782 = 2,931,782/x
3. Step 3: Cross multiply
   1,391,174x = 2,931,782 × 2,931,782
4. Step 4: Simplify right side
   1,391,174x = 8,595,345,695,524
5. Step 5: Solve for x
   x = 8,595,345,695,524/1,391,174
6. Step 6: Final answer
   x = 6,178,483.57