Finding the Third Proportional to 1,406,301 and 1,991,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,301 : 1,991,208 = 1,991,208 : x
2. Step 2: Convert to fraction form
   1,406,301/1,991,208 = 1,991,208/x
3. Step 3: Cross multiply
   1,406,301x = 1,991,208 × 1,991,208
4. Step 4: Simplify right side
   1,406,301x = 3,964,909,299,264
5. Step 5: Solve for x
   x = 3,964,909,299,264/1,406,301
6. Step 6: Final answer
   x = 2,819,388.81