Finding the Third Proportional to 748,224 and 1,549,647

Step by Step Solution

1. Step 1: Write the proportion equation
   748,224 : 1,549,647 = 1,549,647 : x
2. Step 2: Convert to fraction form
   748,224/1,549,647 = 1,549,647/x
3. Step 3: Cross multiply
   748,224x = 1,549,647 × 1,549,647
4. Step 4: Simplify right side
   748,224x = 2,401,405,824,609
5. Step 5: Solve for x
   x = 2,401,405,824,609/748,224
6. Step 6: Final answer
   x = 3,209,474.47