Finding the Third Proportional to 51,991.88 and 74,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,991.88 : 74,294.72 = 74,294.72 : x
2. Step 2: Convert to fraction form
   51,991.88/74,294.72 = 74,294.72/x
3. Step 3: Cross multiply
   51,991.88x = 74,294.72 × 74,294.72
4. Step 4: Simplify right side
   51,991.88x = 5,519,705,234.14
5. Step 5: Solve for x
   x = 5,519,705,234.14/51,991.88
6. Step 6: Final answer
   x = 106,164.77