Finding the Third Proportional to 4,949,916 and 7,876,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,949,916 : 7,876,368 = 7,876,368 : x
2. Step 2: Convert to fraction form
   4,949,916/7,876,368 = 7,876,368/x
3. Step 3: Cross multiply
   4,949,916x = 7,876,368 × 7,876,368
4. Step 4: Simplify right side
   4,949,916x = 62,037,172,871,424
5. Step 5: Solve for x
   x = 62,037,172,871,424/4,949,916
6. Step 6: Final answer
   x = 12,532,974.88