Finding the Third Proportional to 10,077.56 and 20,972.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.56 : 20,972.63 = 20,972.63 : x
2. Step 2: Convert to fraction form
   10,077.56/20,972.63 = 20,972.63/x
3. Step 3: Cross multiply
   10,077.56x = 20,972.63 × 20,972.63
4. Step 4: Simplify right side
   10,077.56x = 439,850,999.39
5. Step 5: Solve for x
   x = 439,850,999.39/10,077.56
6. Step 6: Final answer
   x = 43,646.57