Finding the Third Proportional to 20,060.86 and 31,045.64

Step by Step Solution

1. Step 1: Write the proportion equation
   20,060.86 : 31,045.64 = 31,045.64 : x
2. Step 2: Convert to fraction form
   20,060.86/31,045.64 = 31,045.64/x
3. Step 3: Cross multiply
   20,060.86x = 31,045.64 × 31,045.64
4. Step 4: Simplify right side
   20,060.86x = 963,831,801.82
5. Step 5: Solve for x
   x = 963,831,801.82/20,060.86
6. Step 6: Final answer
   x = 48,045.39