Finding the Third Proportional to 4,757,980 and 7,138,432

Step by Step Solution

1. Step 1: Write the proportion equation
   4,757,980 : 7,138,432 = 7,138,432 : x
2. Step 2: Convert to fraction form
   4,757,980/7,138,432 = 7,138,432/x
3. Step 3: Cross multiply
   4,757,980x = 7,138,432 × 7,138,432
4. Step 4: Simplify right side
   4,757,980x = 50,957,211,418,624
5. Step 5: Solve for x
   x = 50,957,211,418,624/4,757,980
6. Step 6: Final answer
   x = 10,709,841.45