Finding the Third Proportional to 1,680,100 and 3,686,789

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,100 : 3,686,789 = 3,686,789 : x
2. Step 2: Convert to fraction form
   1,680,100/3,686,789 = 3,686,789/x
3. Step 3: Cross multiply
   1,680,100x = 3,686,789 × 3,686,789
4. Step 4: Simplify right side
   1,680,100x = 13,592,413,130,521
5. Step 5: Solve for x
   x = 13,592,413,130,521/1,680,100
6. Step 6: Final answer
   x = 8,090,240.54