Finding the Third Proportional to 418,959,732,872 and 919,032,228,112

Step by Step Solution

1. Step 1: Write the proportion equation
   418,959,732,872 : 919,032,228,112 = 919,032,228,112 : x
2. Step 2: Convert to fraction form
   418,959,732,872/919,032,228,112 = 919,032,228,112/x
3. Step 3: Cross multiply
   418,959,732,872x = 919,032,228,112 × 919,032,228,112
4. Step 4: Simplify right side
   418,959,732,872x = 844,620,236,308,507,153,924,096
5. Step 5: Solve for x
   x = 844,620,236,308,507,153,924,096/418,959,732,872
6. Step 6: Final answer
   x = 2,015,993,829,570.62