Finding the Third Proportional to 1,686,363 and 3,680,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,363 : 3,680,912 = 3,680,912 : x
2. Step 2: Convert to fraction form
   1,686,363/3,680,912 = 3,680,912/x
3. Step 3: Cross multiply
   1,686,363x = 3,680,912 × 3,680,912
4. Step 4: Simplify right side
   1,686,363x = 13,549,113,151,744
5. Step 5: Solve for x
   x = 13,549,113,151,744/1,686,363
6. Step 6: Final answer
   x = 8,034,517.57