Finding the Third Proportional to 730,608 and 1,146,390

Step by Step Solution

1. Step 1: Write the proportion equation
   730,608 : 1,146,390 = 1,146,390 : x
2. Step 2: Convert to fraction form
   730,608/1,146,390 = 1,146,390/x
3. Step 3: Cross multiply
   730,608x = 1,146,390 × 1,146,390
4. Step 4: Simplify right side
   730,608x = 1,314,210,032,100
5. Step 5: Solve for x
   x = 1,314,210,032,100/730,608
6. Step 6: Final answer
   x = 1,798,789.55