Finding the Third Proportional to 170,300,403 and 372,841,540

Step by Step Solution

1. Step 1: Write the proportion equation
   170,300,403 : 372,841,540 = 372,841,540 : x
2. Step 2: Convert to fraction form
   170,300,403/372,841,540 = 372,841,540/x
3. Step 3: Cross multiply
   170,300,403x = 372,841,540 × 372,841,540
4. Step 4: Simplify right side
   170,300,403x = 139,010,813,949,571,600
5. Step 5: Solve for x
   x = 139,010,813,949,571,600/170,300,403
6. Step 6: Final answer
   x = 816,268,261.85