Finding the Third Proportional to 679,116 and 919,026

Step by Step Solution

1. Step 1: Write the proportion equation
   679,116 : 919,026 = 919,026 : x
2. Step 2: Convert to fraction form
   679,116/919,026 = 919,026/x
3. Step 3: Cross multiply
   679,116x = 919,026 × 919,026
4. Step 4: Simplify right side
   679,116x = 844,608,788,676
5. Step 5: Solve for x
   x = 844,608,788,676/679,116
6. Step 6: Final answer
   x = 1,243,688.54