Finding the Third Proportional to 156,997,094,105 and 342,409,009,990

Step by Step Solution

1. Step 1: Write the proportion equation
   156,997,094,105 : 342,409,009,990 = 342,409,009,990 : x
2. Step 2: Convert to fraction form
   156,997,094,105/342,409,009,990 = 342,409,009,990/x
3. Step 3: Cross multiply
   156,997,094,105x = 342,409,009,990 × 342,409,009,990
4. Step 4: Simplify right side
   156,997,094,105x = 117,243,930,122,331,923,415,040
5. Step 5: Solve for x
   x = 117,243,930,122,331,923,415,040/156,997,094,105
6. Step 6: Final answer
   x = 746,790,447,241.78