Finding the Third Proportional to 1,360,213 and 2,978,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360,213 : 2,978,978 = 2,978,978 : x
2. Step 2: Convert to fraction form
   1,360,213/2,978,978 = 2,978,978/x
3. Step 3: Cross multiply
   1,360,213x = 2,978,978 × 2,978,978
4. Step 4: Simplify right side
   1,360,213x = 8,874,309,924,484
5. Step 5: Solve for x
   x = 8,874,309,924,484/1,360,213
6. Step 6: Final answer
   x = 6,524,206.08