Finding the Third Proportional to 3,762,129 and 5,377,729

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762,129 : 5,377,729 = 5,377,729 : x
2. Step 2: Convert to fraction form
   3,762,129/5,377,729 = 5,377,729/x
3. Step 3: Cross multiply
   3,762,129x = 5,377,729 × 5,377,729
4. Step 4: Simplify right side
   3,762,129x = 28,919,969,197,441
5. Step 5: Solve for x
   x = 28,919,969,197,441/3,762,129
6. Step 6: Final answer
   x = 7,687,128.54