Finding the Third Proportional to 1,076,430 and 1,666,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,430 : 1,666,740 = 1,666,740 : x
2. Step 2: Convert to fraction form
   1,076,430/1,666,740 = 1,666,740/x
3. Step 3: Cross multiply
   1,076,430x = 1,666,740 × 1,666,740
4. Step 4: Simplify right side
   1,076,430x = 2,778,022,227,600
5. Step 5: Solve for x
   x = 2,778,022,227,600/1,076,430
6. Step 6: Final answer
   x = 2,580,773.69