Finding the Third Proportional to 1,973,457 and 4,315,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973,457 : 4,315,986 = 4,315,986 : x
2. Step 2: Convert to fraction form
   1,973,457/4,315,986 = 4,315,986/x
3. Step 3: Cross multiply
   1,973,457x = 4,315,986 × 4,315,986
4. Step 4: Simplify right side
   1,973,457x = 18,627,735,152,196
5. Step 5: Solve for x
   x = 18,627,735,152,196/1,973,457
6. Step 6: Final answer
   x = 9,439,139.11