Finding the Third Proportional to 56,930.34 and 78,937.03

Step by Step Solution

1. Step 1: Write the proportion equation
   56,930.34 : 78,937.03 = 78,937.03 : x
2. Step 2: Convert to fraction form
   56,930.34/78,937.03 = 78,937.03/x
3. Step 3: Cross multiply
   56,930.34x = 78,937.03 × 78,937.03
4. Step 4: Simplify right side
   56,930.34x = 6,231,054,902.56
5. Step 5: Solve for x
   x = 6,231,054,902.56/56,930.34
6. Step 6: Final answer
   x = 109,450.51