Finding the Third Proportional to 3,617,390 and 5,598,646

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,390 : 5,598,646 = 5,598,646 : x
2. Step 2: Convert to fraction form
   3,617,390/5,598,646 = 5,598,646/x
3. Step 3: Cross multiply
   3,617,390x = 5,598,646 × 5,598,646
4. Step 4: Simplify right side
   3,617,390x = 31,344,837,033,316
5. Step 5: Solve for x
   x = 31,344,837,033,316/3,617,390
6. Step 6: Final answer
   x = 8,665,042.21