Finding the Third Proportional to 750,434 and 1,640,996

Step by Step Solution

1. Step 1: Write the proportion equation
   750,434 : 1,640,996 = 1,640,996 : x
2. Step 2: Convert to fraction form
   750,434/1,640,996 = 1,640,996/x
3. Step 3: Cross multiply
   750,434x = 1,640,996 × 1,640,996
4. Step 4: Simplify right side
   750,434x = 2,692,867,872,016
5. Step 5: Solve for x
   x = 2,692,867,872,016/750,434
6. Step 6: Final answer
   x = 3,588,414.00