Finding the Third Proportional to 1,085,380 and 2,200,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,380 : 2,200,312 = 2,200,312 : x
2. Step 2: Convert to fraction form
   1,085,380/2,200,312 = 2,200,312/x
3. Step 3: Cross multiply
   1,085,380x = 2,200,312 × 2,200,312
4. Step 4: Simplify right side
   1,085,380x = 4,841,372,897,344
5. Step 5: Solve for x
   x = 4,841,372,897,344/1,085,380
6. Step 6: Final answer
   x = 4,460,532.62