Finding the Third Proportional to 753,630 and 1,638,156

Step by Step Solution

1. Step 1: Write the proportion equation
   753,630 : 1,638,156 = 1,638,156 : x
2. Step 2: Convert to fraction form
   753,630/1,638,156 = 1,638,156/x
3. Step 3: Cross multiply
   753,630x = 1,638,156 × 1,638,156
4. Step 4: Simplify right side
   753,630x = 2,683,555,080,336
5. Step 5: Solve for x
   x = 2,683,555,080,336/753,630
6. Step 6: Final answer
   x = 3,560,838.98