Finding the Third Proportional to 3,430,188 and 5,042,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,430,188 : 5,042,520 = 5,042,520 : x
2. Step 2: Convert to fraction form
   3,430,188/5,042,520 = 5,042,520/x
3. Step 3: Cross multiply
   3,430,188x = 5,042,520 × 5,042,520
4. Step 4: Simplify right side
   3,430,188x = 25,427,007,950,400
5. Step 5: Solve for x
   x = 25,427,007,950,400/3,430,188
6. Step 6: Final answer
   x = 7,412,715.56