Finding the Third Proportional to 4,984,588 and 7,128,054

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,588 : 7,128,054 = 7,128,054 : x
2. Step 2: Convert to fraction form
   4,984,588/7,128,054 = 7,128,054/x
3. Step 3: Cross multiply
   4,984,588x = 7,128,054 × 7,128,054
4. Step 4: Simplify right side
   4,984,588x = 50,809,153,826,916
5. Step 5: Solve for x
   x = 50,809,153,826,916/4,984,588
6. Step 6: Final answer
   x = 10,193,250.44