Finding the Third Proportional to 1,076,428 and 1,666,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,428 : 1,666,736 = 1,666,736 : x
2. Step 2: Convert to fraction form
   1,076,428/1,666,736 = 1,666,736/x
3. Step 3: Cross multiply
   1,076,428x = 1,666,736 × 1,666,736
4. Step 4: Simplify right side
   1,076,428x = 2,778,008,893,696
5. Step 5: Solve for x
   x = 2,778,008,893,696/1,076,428
6. Step 6: Final answer
   x = 2,580,766.10