Finding the Third Proportional to 2,145,665.63 and 3,007,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,665.63 : 3,007,144.50 = 3,007,144.50 : x
2. Step 2: Convert to fraction form
   2,145,665.63/3,007,144.50 = 3,007,144.50/x
3. Step 3: Cross multiply
   2,145,665.63x = 3,007,144.50 × 3,007,144.50
4. Step 4: Simplify right side
   2,145,665.63x = 9,042,918,043,880.25
5. Step 5: Solve for x
   x = 9,042,918,043,880.25/2,145,665.63
6. Step 6: Final answer
   x = 4,214,504.79