Finding the Third Proportional to 52,531.31 and 78,611.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,531.31 : 78,611.06 = 78,611.06 : x
2. Step 2: Convert to fraction form
   52,531.31/78,611.06 = 78,611.06/x
3. Step 3: Cross multiply
   52,531.31x = 78,611.06 × 78,611.06
4. Step 4: Simplify right side
   52,531.31x = 6,179,699,147.38
5. Step 5: Solve for x
   x = 6,179,699,147.38/52,531.31
6. Step 6: Final answer
   x = 117,638.39