Finding the Third Proportional to 1,391,124 and 2,931,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,124 : 2,931,700 = 2,931,700 : x
2. Step 2: Convert to fraction form
   1,391,124/2,931,700 = 2,931,700/x
3. Step 3: Cross multiply
   1,391,124x = 2,931,700 × 2,931,700
4. Step 4: Simplify right side
   1,391,124x = 8,594,864,890,000
5. Step 5: Solve for x
   x = 8,594,864,890,000/1,391,124
6. Step 6: Final answer
   x = 6,178,360.01