Finding the Third Proportional to 190,826,862 and 419,142,204

Step by Step Solution

1. Step 1: Write the proportion equation
   190,826,862 : 419,142,204 = 419,142,204 : x
2. Step 2: Convert to fraction form
   190,826,862/419,142,204 = 419,142,204/x
3. Step 3: Cross multiply
   190,826,862x = 419,142,204 × 419,142,204
4. Step 4: Simplify right side
   190,826,862x = 175,680,187,173,977,600
5. Step 5: Solve for x
   x = 175,680,187,173,977,600/190,826,862
6. Step 6: Final answer
   x = 920,626,086.56