Finding the Third Proportional to 1,077,432 and 1,668,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,432 : 1,668,260 = 1,668,260 : x
2. Step 2: Convert to fraction form
   1,077,432/1,668,260 = 1,668,260/x
3. Step 3: Cross multiply
   1,077,432x = 1,668,260 × 1,668,260
4. Step 4: Simplify right side
   1,077,432x = 2,783,091,427,600
5. Step 5: Solve for x
   x = 2,783,091,427,600/1,077,432
6. Step 6: Final answer
   x = 2,583,078.49