Finding the Third Proportional to 670,770 and 1,077,111

Step by Step Solution

1. Step 1: Write the proportion equation
   670,770 : 1,077,111 = 1,077,111 : x
2. Step 2: Convert to fraction form
   670,770/1,077,111 = 1,077,111/x
3. Step 3: Cross multiply
   670,770x = 1,077,111 × 1,077,111
4. Step 4: Simplify right side
   670,770x = 1,160,168,106,321
5. Step 5: Solve for x
   x = 1,160,168,106,321/670,770
6. Step 6: Final answer
   x = 1,729,606.43