Finding the Third Proportional to 265,043 and 529,870

Step by Step Solution

1. Step 1: Write the proportion equation
   265,043 : 529,870 = 529,870 : x
2. Step 2: Convert to fraction form
   265,043/529,870 = 529,870/x
3. Step 3: Cross multiply
   265,043x = 529,870 × 529,870
4. Step 4: Simplify right side
   265,043x = 280,762,216,900
5. Step 5: Solve for x
   x = 280,762,216,900/265,043
6. Step 6: Final answer
   x = 1,059,308.18