Finding the Third Proportional to 776,058 and 1,688,808

Step by Step Solution

1. Step 1: Write the proportion equation
   776,058 : 1,688,808 = 1,688,808 : x
2. Step 2: Convert to fraction form
   776,058/1,688,808 = 1,688,808/x
3. Step 3: Cross multiply
   776,058x = 1,688,808 × 1,688,808
4. Step 4: Simplify right side
   776,058x = 2,852,072,460,864
5. Step 5: Solve for x
   x = 2,852,072,460,864/776,058
6. Step 6: Final answer
   x = 3,675,076.43