Finding the Third Proportional to 1,077,208 and 1,670,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,208 : 1,670,248 = 1,670,248 : x
2. Step 2: Convert to fraction form
   1,077,208/1,670,248 = 1,670,248/x
3. Step 3: Cross multiply
   1,077,208x = 1,670,248 × 1,670,248
4. Step 4: Simplify right side
   1,077,208x = 2,789,728,381,504
5. Step 5: Solve for x
   x = 2,789,728,381,504/1,077,208
6. Step 6: Final answer
   x = 2,589,776.89