Finding the Third Proportional to 1,832,345 and 3,989,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,832,345 : 3,989,986 = 3,989,986 : x
2. Step 2: Convert to fraction form
   1,832,345/3,989,986 = 3,989,986/x
3. Step 3: Cross multiply
   1,832,345x = 3,989,986 × 3,989,986
4. Step 4: Simplify right side
   1,832,345x = 15,919,988,280,196
5. Step 5: Solve for x
   x = 15,919,988,280,196/1,832,345
6. Step 6: Final answer
   x = 8,688,313.76