Finding the Third Proportional to 3,931,516 and 6,251,368

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,516 : 6,251,368 = 6,251,368 : x
2. Step 2: Convert to fraction form
   3,931,516/6,251,368 = 6,251,368/x
3. Step 3: Cross multiply
   3,931,516x = 6,251,368 × 6,251,368
4. Step 4: Simplify right side
   3,931,516x = 39,079,601,871,424
5. Step 5: Solve for x
   x = 39,079,601,871,424/3,931,516
6. Step 6: Final answer
   x = 9,940,084.66