Finding the Third Proportional to 571,300 and 1,335,178

Step by Step Solution

1. Step 1: Write the proportion equation
   571,300 : 1,335,178 = 1,335,178 : x
2. Step 2: Convert to fraction form
   571,300/1,335,178 = 1,335,178/x
3. Step 3: Cross multiply
   571,300x = 1,335,178 × 1,335,178
4. Step 4: Simplify right side
   571,300x = 1,782,700,291,684
5. Step 5: Solve for x
   x = 1,782,700,291,684/571,300
6. Step 6: Final answer
   x = 3,120,427.61