Finding the Third Proportional to 429,878 and 1,011,137

Step by Step Solution

1. Step 1: Write the proportion equation
   429,878 : 1,011,137 = 1,011,137 : x
2. Step 2: Convert to fraction form
   429,878/1,011,137 = 1,011,137/x
3. Step 3: Cross multiply
   429,878x = 1,011,137 × 1,011,137
4. Step 4: Simplify right side
   429,878x = 1,022,398,032,769
5. Step 5: Solve for x
   x = 1,022,398,032,769/429,878
6. Step 6: Final answer
   x = 2,378,344.63