Finding the Third Proportional to 3,116,145 and 4,786,781

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116,145 : 4,786,781 = 4,786,781 : x
2. Step 2: Convert to fraction form
   3,116,145/4,786,781 = 4,786,781/x
3. Step 3: Cross multiply
   3,116,145x = 4,786,781 × 4,786,781
4. Step 4: Simplify right side
   3,116,145x = 22,913,272,341,961
5. Step 5: Solve for x
   x = 22,913,272,341,961/3,116,145
6. Step 6: Final answer
   x = 7,353,082.84