Finding the Third Proportional to 769,056 and 1,147,212

Step by Step Solution

1. Step 1: Write the proportion equation
   769,056 : 1,147,212 = 1,147,212 : x
2. Step 2: Convert to fraction form
   769,056/1,147,212 = 1,147,212/x
3. Step 3: Cross multiply
   769,056x = 1,147,212 × 1,147,212
4. Step 4: Simplify right side
   769,056x = 1,316,095,372,944
5. Step 5: Solve for x
   x = 1,316,095,372,944/769,056
6. Step 6: Final answer
   x = 1,711,312.80