Finding the Third Proportional to 1,367,140 and 2,991,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367,140 : 2,991,588 = 2,991,588 : x
2. Step 2: Convert to fraction form
   1,367,140/2,991,588 = 2,991,588/x
3. Step 3: Cross multiply
   1,367,140x = 2,991,588 × 2,991,588
4. Step 4: Simplify right side
   1,367,140x = 8,949,598,761,744
5. Step 5: Solve for x
   x = 8,949,598,761,744/1,367,140
6. Step 6: Final answer
   x = 6,546,219.67