Finding the Third Proportional to 1,241,792 and 2,646,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241,792 : 2,646,400 = 2,646,400 : x
2. Step 2: Convert to fraction form
   1,241,792/2,646,400 = 2,646,400/x
3. Step 3: Cross multiply
   1,241,792x = 2,646,400 × 2,646,400
4. Step 4: Simplify right side
   1,241,792x = 7,003,432,960,000
5. Step 5: Solve for x
   x = 7,003,432,960,000/1,241,792
6. Step 6: Final answer
   x = 5,639,779.42