Finding the Third Proportional to 4,873,187 and 7,143,550

Step by Step Solution

1. Step 1: Write the proportion equation
   4,873,187 : 7,143,550 = 7,143,550 : x
2. Step 2: Convert to fraction form
   4,873,187/7,143,550 = 7,143,550/x
3. Step 3: Cross multiply
   4,873,187x = 7,143,550 × 7,143,550
4. Step 4: Simplify right side
   4,873,187x = 51,030,306,602,500
5. Step 5: Solve for x
   x = 51,030,306,602,500/4,873,187
6. Step 6: Final answer
   x = 10,471,649.58