Finding the Third Proportional to 190,107,600 and 407,499,480

Step by Step Solution

1. Step 1: Write the proportion equation
   190,107,600 : 407,499,480 = 407,499,480 : x
2. Step 2: Convert to fraction form
   190,107,600/407,499,480 = 407,499,480/x
3. Step 3: Cross multiply
   190,107,600x = 407,499,480 × 407,499,480
4. Step 4: Simplify right side
   190,107,600x = 166,055,826,200,270,400
5. Step 5: Solve for x
   x = 166,055,826,200,270,400/190,107,600
6. Step 6: Final answer
   x = 873,483,365.21