Finding the Third Proportional to 740,385 and 1,116,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   740,385 : 1,116,040.50 = 1,116,040.50 : x
2. Step 2: Convert to fraction form
   740,385/1,116,040.50 = 1,116,040.50/x
3. Step 3: Cross multiply
   740,385x = 1,116,040.50 × 1,116,040.50
4. Step 4: Simplify right side
   740,385x = 1,245,546,397,640.25
5. Step 5: Solve for x
   x = 1,245,546,397,640.25/740,385
6. Step 6: Final answer
   x = 1,682,295.56