Finding the Third Proportional to 4,984,592 and 7,128,060

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,592 : 7,128,060 = 7,128,060 : x
2. Step 2: Convert to fraction form
   4,984,592/7,128,060 = 7,128,060/x
3. Step 3: Cross multiply
   4,984,592x = 7,128,060 × 7,128,060
4. Step 4: Simplify right side
   4,984,592x = 50,809,239,363,600
5. Step 5: Solve for x
   x = 50,809,239,363,600/4,984,592
6. Step 6: Final answer
   x = 10,193,259.42