Finding the Third Proportional to 349,254 and 744,300

Step by Step Solution

1. Step 1: Write the proportion equation
   349,254 : 744,300 = 744,300 : x
2. Step 2: Convert to fraction form
   349,254/744,300 = 744,300/x
3. Step 3: Cross multiply
   349,254x = 744,300 × 744,300
4. Step 4: Simplify right side
   349,254x = 553,982,490,000
5. Step 5: Solve for x
   x = 553,982,490,000/349,254
6. Step 6: Final answer
   x = 1,586,187.96