Finding the Third Proportional to 748,145 and 1,614,388

Step by Step Solution

1. Step 1: Write the proportion equation
   748,145 : 1,614,388 = 1,614,388 : x
2. Step 2: Convert to fraction form
   748,145/1,614,388 = 1,614,388/x
3. Step 3: Cross multiply
   748,145x = 1,614,388 × 1,614,388
4. Step 4: Simplify right side
   748,145x = 2,606,248,614,544
5. Step 5: Solve for x
   x = 2,606,248,614,544/748,145
6. Step 6: Final answer
   x = 3,483,614.29