Finding the Third Proportional to 2,553,156 and 3,953,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,156 : 3,953,389.50 = 3,953,389.50 : x
2. Step 2: Convert to fraction form
   2,553,156/3,953,389.50 = 3,953,389.50/x
3. Step 3: Cross multiply
   2,553,156x = 3,953,389.50 × 3,953,389.50
4. Step 4: Simplify right side
   2,553,156x = 15,629,288,538,710.25
5. Step 5: Solve for x
   x = 15,629,288,538,710.25/2,553,156
6. Step 6: Final answer
   x = 6,121,556.43