Finding the Third Proportional to 37,139,243,518 and 81,574,571,634

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139,243,518 : 81,574,571,634 = 81,574,571,634 : x
2. Step 2: Convert to fraction form
   37,139,243,518/81,574,571,634 = 81,574,571,634/x
3. Step 3: Cross multiply
   37,139,243,518x = 81,574,571,634 × 81,574,571,634
4. Step 4: Simplify right side
   37,139,243,518x = 6,654,410,737,270,597,353,472
5. Step 5: Solve for x
   x = 6,654,410,737,270,597,353,472/37,139,243,518
6. Step 6: Final answer
   x = 179,174,644,040.49