Finding the Third Proportional to 3,732,485 and 8,188,138

Step by Step Solution

1. Step 1: Write the proportion equation
   3,732,485 : 8,188,138 = 8,188,138 : x
2. Step 2: Convert to fraction form
   3,732,485/8,188,138 = 8,188,138/x
3. Step 3: Cross multiply
   3,732,485x = 8,188,138 × 8,188,138
4. Step 4: Simplify right side
   3,732,485x = 67,045,603,907,044
5. Step 5: Solve for x
   x = 67,045,603,907,044/3,732,485
6. Step 6: Final answer
   x = 17,962,725.61