Finding the Third Proportional to 680,242 and 1,061,718

Step by Step Solution

1. Step 1: Write the proportion equation
   680,242 : 1,061,718 = 1,061,718 : x
2. Step 2: Convert to fraction form
   680,242/1,061,718 = 1,061,718/x
3. Step 3: Cross multiply
   680,242x = 1,061,718 × 1,061,718
4. Step 4: Simplify right side
   680,242x = 1,127,245,111,524
5. Step 5: Solve for x
   x = 1,127,245,111,524/680,242
6. Step 6: Final answer
   x = 1,657,123.66