Finding the Third Proportional to 3,140,138 and 4,980,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,138 : 4,980,424 = 4,980,424 : x
2. Step 2: Convert to fraction form
   3,140,138/4,980,424 = 4,980,424/x
3. Step 3: Cross multiply
   3,140,138x = 4,980,424 × 4,980,424
4. Step 4: Simplify right side
   3,140,138x = 24,804,623,219,776
5. Step 5: Solve for x
   x = 24,804,623,219,776/3,140,138
6. Step 6: Final answer
   x = 7,899,214.37