Finding the Third Proportional to 42,147,658,763 and 91,012,923,367

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147,658,763 : 91,012,923,367 = 91,012,923,367 : x
2. Step 2: Convert to fraction form
   42,147,658,763/91,012,923,367 = 91,012,923,367/x
3. Step 3: Cross multiply
   42,147,658,763x = 91,012,923,367 × 91,012,923,367
4. Step 4: Simplify right side
   42,147,658,763x = 8,283,352,219,807,415,009,280
5. Step 5: Solve for x
   x = 8,283,352,219,807,415,009,280/42,147,658,763
6. Step 6: Final answer
   x = 196,531,728,283.78