Finding the Third Proportional to 1,445,199 and 3,147,781

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,199 : 3,147,781 = 3,147,781 : x
2. Step 2: Convert to fraction form
   1,445,199/3,147,781 = 3,147,781/x
3. Step 3: Cross multiply
   1,445,199x = 3,147,781 × 3,147,781
4. Step 4: Simplify right side
   1,445,199x = 9,908,525,223,961
5. Step 5: Solve for x
   x = 9,908,525,223,961/1,445,199
6. Step 6: Final answer
   x = 6,856,166.68