Finding the Third Proportional to 1,680,114 and 3,686,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,114 : 3,686,820 = 3,686,820 : x
2. Step 2: Convert to fraction form
   1,680,114/3,686,820 = 3,686,820/x
3. Step 3: Cross multiply
   1,680,114x = 3,686,820 × 3,686,820
4. Step 4: Simplify right side
   1,680,114x = 13,592,641,712,400
5. Step 5: Solve for x
   x = 13,592,641,712,400/1,680,114
6. Step 6: Final answer
   x = 8,090,309.18