Finding the Third Proportional to 455,644 and 1,064,590

Step by Step Solution

1. Step 1: Write the proportion equation
   455,644 : 1,064,590 = 1,064,590 : x
2. Step 2: Convert to fraction form
   455,644/1,064,590 = 1,064,590/x
3. Step 3: Cross multiply
   455,644x = 1,064,590 × 1,064,590
4. Step 4: Simplify right side
   455,644x = 1,133,351,868,100
5. Step 5: Solve for x
   x = 1,133,351,868,100/455,644
6. Step 6: Final answer
   x = 2,487,362.65