Finding the Third Proportional to 2,609,622 and 5,623,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,622 : 5,623,380 = 5,623,380 : x
2. Step 2: Convert to fraction form
   2,609,622/5,623,380 = 5,623,380/x
3. Step 3: Cross multiply
   2,609,622x = 5,623,380 × 5,623,380
4. Step 4: Simplify right side
   2,609,622x = 31,622,402,624,400
5. Step 5: Solve for x
   x = 31,622,402,624,400/2,609,622
6. Step 6: Final answer
   x = 12,117,618.04