Finding the Third Proportional to 3,437,787 and 7,285,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437,787 : 7,285,380 = 7,285,380 : x
2. Step 2: Convert to fraction form
   3,437,787/7,285,380 = 7,285,380/x
3. Step 3: Cross multiply
   3,437,787x = 7,285,380 × 7,285,380
4. Step 4: Simplify right side
   3,437,787x = 53,076,761,744,400
5. Step 5: Solve for x
   x = 53,076,761,744,400/3,437,787
6. Step 6: Final answer
   x = 15,439,223.47