Finding the Third Proportional to 784,460 and 1,212,168

Step by Step Solution

1. Step 1: Write the proportion equation
   784,460 : 1,212,168 = 1,212,168 : x
2. Step 2: Convert to fraction form
   784,460/1,212,168 = 1,212,168/x
3. Step 3: Cross multiply
   784,460x = 1,212,168 × 1,212,168
4. Step 4: Simplify right side
   784,460x = 1,469,351,260,224
5. Step 5: Solve for x
   x = 1,469,351,260,224/784,460
6. Step 6: Final answer
   x = 1,873,073.53