Finding the Third Proportional to 680,238 and 1,061,712

Step by Step Solution

1. Step 1: Write the proportion equation
   680,238 : 1,061,712 = 1,061,712 : x
2. Step 2: Convert to fraction form
   680,238/1,061,712 = 1,061,712/x
3. Step 3: Cross multiply
   680,238x = 1,061,712 × 1,061,712
4. Step 4: Simplify right side
   680,238x = 1,127,232,370,944
5. Step 5: Solve for x
   x = 1,127,232,370,944/680,238
6. Step 6: Final answer
   x = 1,657,114.67