Finding the Third Proportional to 4,886,688 and 7,456,392

Step by Step Solution

1. Step 1: Write the proportion equation
   4,886,688 : 7,456,392 = 7,456,392 : x
2. Step 2: Convert to fraction form
   4,886,688/7,456,392 = 7,456,392/x
3. Step 3: Cross multiply
   4,886,688x = 7,456,392 × 7,456,392
4. Step 4: Simplify right side
   4,886,688x = 55,597,781,657,664
5. Step 5: Solve for x
   x = 55,597,781,657,664/4,886,688
6. Step 6: Final answer
   x = 11,377,395.42