Finding the Third Proportional to 2,140,545 and 4,505,190

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,545 : 4,505,190 = 4,505,190 : x
2. Step 2: Convert to fraction form
   2,140,545/4,505,190 = 4,505,190/x
3. Step 3: Cross multiply
   2,140,545x = 4,505,190 × 4,505,190
4. Step 4: Simplify right side
   2,140,545x = 20,296,736,936,100
5. Step 5: Solve for x
   x = 20,296,736,936,100/2,140,545
6. Step 6: Final answer
   x = 9,482,041.69