Finding the Third Proportional to 31,611.30 and 48,943.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,611.30 : 48,943.62 = 48,943.62 : x
2. Step 2: Convert to fraction form
   31,611.30/48,943.62 = 48,943.62/x
3. Step 3: Cross multiply
   31,611.30x = 48,943.62 × 48,943.62
4. Step 4: Simplify right side
   31,611.30x = 2,395,477,663.40
5. Step 5: Solve for x
   x = 2,395,477,663.40/31,611.30
6. Step 6: Final answer
   x = 75,779.15