Finding the Third Proportional to 784,856 and 1,215,012

Step by Step Solution

1. Step 1: Write the proportion equation
   784,856 : 1,215,012 = 1,215,012 : x
2. Step 2: Convert to fraction form
   784,856/1,215,012 = 1,215,012/x
3. Step 3: Cross multiply
   784,856x = 1,215,012 × 1,215,012
4. Step 4: Simplify right side
   784,856x = 1,476,254,160,144
5. Step 5: Solve for x
   x = 1,476,254,160,144/784,856
6. Step 6: Final answer
   x = 1,880,923.58