Finding the Third Proportional to 1,628,926 and 2,142,069

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,926 : 2,142,069 = 2,142,069 : x
2. Step 2: Convert to fraction form
   1,628,926/2,142,069 = 2,142,069/x
3. Step 3: Cross multiply
   1,628,926x = 2,142,069 × 2,142,069
4. Step 4: Simplify right side
   1,628,926x = 4,588,459,600,761
5. Step 5: Solve for x
   x = 4,588,459,600,761/1,628,926
6. Step 6: Final answer
   x = 2,816,861.91