Finding the Third Proportional to 31,925.81 and 48,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,925.81 : 48,131.72 = 48,131.72 : x
2. Step 2: Convert to fraction form
   31,925.81/48,131.72 = 48,131.72/x
3. Step 3: Cross multiply
   31,925.81x = 48,131.72 × 48,131.72
4. Step 4: Simplify right side
   31,925.81x = 2,316,662,349.83
5. Step 5: Solve for x
   x = 2,316,662,349.83/31,925.81
6. Step 6: Final answer
   x = 72,563.93