Finding the Third Proportional to 748,548 and 1,609,172

Step by Step Solution

1. Step 1: Write the proportion equation
   748,548 : 1,609,172 = 1,609,172 : x
2. Step 2: Convert to fraction form
   748,548/1,609,172 = 1,609,172/x
3. Step 3: Cross multiply
   748,548x = 1,609,172 × 1,609,172
4. Step 4: Simplify right side
   748,548x = 2,589,434,525,584
5. Step 5: Solve for x
   x = 2,589,434,525,584/748,548
6. Step 6: Final answer
   x = 3,459,276.53