Finding the Third Proportional to 4,959,434 and 7,660,143

Step by Step Solution

1. Step 1: Write the proportion equation
   4,959,434 : 7,660,143 = 7,660,143 : x
2. Step 2: Convert to fraction form
   4,959,434/7,660,143 = 7,660,143/x
3. Step 3: Cross multiply
   4,959,434x = 7,660,143 × 7,660,143
4. Step 4: Simplify right side
   4,959,434x = 58,677,790,780,449
5. Step 5: Solve for x
   x = 58,677,790,780,449/4,959,434
6. Step 6: Final answer
   x = 11,831,549.89