Finding the Third Proportional to 784,980 and 1,243,614

Step by Step Solution

1. Step 1: Write the proportion equation
   784,980 : 1,243,614 = 1,243,614 : x
2. Step 2: Convert to fraction form
   784,980/1,243,614 = 1,243,614/x
3. Step 3: Cross multiply
   784,980x = 1,243,614 × 1,243,614
4. Step 4: Simplify right side
   784,980x = 1,546,575,780,996
5. Step 5: Solve for x
   x = 1,546,575,780,996/784,980
6. Step 6: Final answer
   x = 1,970,210.43