Finding the Third Proportional to 31,092,383,199 and 67,139,131,614

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092,383,199 : 67,139,131,614 = 67,139,131,614 : x
2. Step 2: Convert to fraction form
   31,092,383,199/67,139,131,614 = 67,139,131,614/x
3. Step 3: Cross multiply
   31,092,383,199x = 67,139,131,614 × 67,139,131,614
4. Step 4: Simplify right side
   31,092,383,199x = 4,507,662,993,882,014,023,680
5. Step 5: Solve for x
   x = 4,507,662,993,882,014,023,680/31,092,383,199
6. Step 6: Final answer
   x = 144,976,438,924.98