Finding the Third Proportional to 748,146 and 1,614,390

Step by Step Solution

1. Step 1: Write the proportion equation
   748,146 : 1,614,390 = 1,614,390 : x
2. Step 2: Convert to fraction form
   748,146/1,614,390 = 1,614,390/x
3. Step 3: Cross multiply
   748,146x = 1,614,390 × 1,614,390
4. Step 4: Simplify right side
   748,146x = 2,606,255,072,100
5. Step 5: Solve for x
   x = 2,606,255,072,100/748,146
6. Step 6: Final answer
   x = 3,483,618.27