Finding the Third Proportional to 3,854,716,174.50 and 5,200,917,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854,716,174.50 : 5,200,917,142.50 = 5,200,917,142.50 : x
2. Step 2: Convert to fraction form
   3,854,716,174.50/5,200,917,142.50 = 5,200,917,142.50/x
3. Step 3: Cross multiply
   3,854,716,174.50x = 5,200,917,142.50 × 5,200,917,142.50
4. Step 4: Simplify right side
   3,854,716,174.50x = 27,049,539,123,150,364,672
5. Step 5: Solve for x
   x = 27,049,539,123,150,364,672/3,854,716,174.50
6. Step 6: Final answer
   x = 7,017,258,313.88