Finding the Third Proportional to 1,076,430 and 1,666,737

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,430 : 1,666,737 = 1,666,737 : x
2. Step 2: Convert to fraction form
   1,076,430/1,666,737 = 1,666,737/x
3. Step 3: Cross multiply
   1,076,430x = 1,666,737 × 1,666,737
4. Step 4: Simplify right side
   1,076,430x = 2,778,012,227,169
5. Step 5: Solve for x
   x = 2,778,012,227,169/1,076,430
6. Step 6: Final answer
   x = 2,580,764.40