Finding the Third Proportional to 1,973,916 and 4,247,196

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973,916 : 4,247,196 = 4,247,196 : x
2. Step 2: Convert to fraction form
   1,973,916/4,247,196 = 4,247,196/x
3. Step 3: Cross multiply
   1,973,916x = 4,247,196 × 4,247,196
4. Step 4: Simplify right side
   1,973,916x = 18,038,673,862,416
5. Step 5: Solve for x
   x = 18,038,673,862,416/1,973,916
6. Step 6: Final answer
   x = 9,138,521.53