Finding the Third Proportional to 553,830 and 1,191,900

Step by Step Solution

1. Step 1: Write the proportion equation
   553,830 : 1,191,900 = 1,191,900 : x
2. Step 2: Convert to fraction form
   553,830/1,191,900 = 1,191,900/x
3. Step 3: Cross multiply
   553,830x = 1,191,900 × 1,191,900
4. Step 4: Simplify right side
   553,830x = 1,420,625,610,000
5. Step 5: Solve for x
   x = 1,420,625,610,000/553,830
6. Step 6: Final answer
   x = 2,565,093.28