Finding the Third Proportional to 3,670,153 and 5,643,769

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,153 : 5,643,769 = 5,643,769 : x
2. Step 2: Convert to fraction form
   3,670,153/5,643,769 = 5,643,769/x
3. Step 3: Cross multiply
   3,670,153x = 5,643,769 × 5,643,769
4. Step 4: Simplify right side
   3,670,153x = 31,852,128,525,361
5. Step 5: Solve for x
   x = 31,852,128,525,361/3,670,153
6. Step 6: Final answer
   x = 8,678,692.28