Finding the Third Proportional to 5,107,447,958.06 and 7,189,278,061.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107,447,958.06 : 7,189,278,061.78 = 7,189,278,061.78 : x
2. Step 2: Convert to fraction form
   5,107,447,958.06/7,189,278,061.78 = 7,189,278,061.78/x
3. Step 3: Cross multiply
   5,107,447,958.06x = 7,189,278,061.78 × 7,189,278,061.78
4. Step 4: Simplify right side
   5,107,447,958.06x = 51,685,719,049,605,570,560
5. Step 5: Solve for x
   x = 51,685,719,049,605,570,560/5,107,447,958.06
6. Step 6: Final answer
   x = 10,119,676,103.21