Finding the Third Proportional to 1,391,157 and 2,931,750

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,157 : 2,931,750 = 2,931,750 : x
2. Step 2: Convert to fraction form
   1,391,157/2,931,750 = 2,931,750/x
3. Step 3: Cross multiply
   1,391,157x = 2,931,750 × 2,931,750
4. Step 4: Simplify right side
   1,391,157x = 8,595,158,062,500
5. Step 5: Solve for x
   x = 8,595,158,062,500/1,391,157
6. Step 6: Final answer
   x = 6,178,424.19