Finding the Third Proportional to 530,466 and 1,085,445

Step by Step Solution

1. Step 1: Write the proportion equation
   530,466 : 1,085,445 = 1,085,445 : x
2. Step 2: Convert to fraction form
   530,466/1,085,445 = 1,085,445/x
3. Step 3: Cross multiply
   530,466x = 1,085,445 × 1,085,445
4. Step 4: Simplify right side
   530,466x = 1,178,190,848,025
5. Step 5: Solve for x
   x = 1,178,190,848,025/530,466
6. Step 6: Final answer
   x = 2,221,048.75