Finding the Third Proportional to 31,130 and 48,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,130 : 48,282.50 = 48,282.50 : x
2. Step 2: Convert to fraction form
   31,130/48,282.50 = 48,282.50/x
3. Step 3: Cross multiply
   31,130x = 48,282.50 × 48,282.50
4. Step 4: Simplify right side
   31,130x = 2,331,199,806.25
5. Step 5: Solve for x
   x = 2,331,199,806.25/31,130
6. Step 6: Final answer
   x = 74,885.96