Finding the Third Proportional to 245,822 and 536,140

Step by Step Solution

1. Step 1: Write the proportion equation
   245,822 : 536,140 = 536,140 : x
2. Step 2: Convert to fraction form
   245,822/536,140 = 536,140/x
3. Step 3: Cross multiply
   245,822x = 536,140 × 536,140
4. Step 4: Simplify right side
   245,822x = 287,446,099,600
5. Step 5: Solve for x
   x = 287,446,099,600/245,822
6. Step 6: Final answer
   x = 1,169,326.18