Finding the Third Proportional to 2,931,320 and 4,529,857

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,320 : 4,529,857 = 4,529,857 : x
2. Step 2: Convert to fraction form
   2,931,320/4,529,857 = 4,529,857/x
3. Step 3: Cross multiply
   2,931,320x = 4,529,857 × 4,529,857
4. Step 4: Simplify right side
   2,931,320x = 20,519,604,440,449
5. Step 5: Solve for x
   x = 20,519,604,440,449/2,931,320
6. Step 6: Final answer
   x = 7,000,124.33