Finding the Third Proportional to 45,880.75 and 64,611.38

Step by Step Solution

1. Step 1: Write the proportion equation
   45,880.75 : 64,611.38 = 64,611.38 : x
2. Step 2: Convert to fraction form
   45,880.75/64,611.38 = 64,611.38/x
3. Step 3: Cross multiply
   45,880.75x = 64,611.38 × 64,611.38
4. Step 4: Simplify right side
   45,880.75x = 4,174,629,779.39
5. Step 5: Solve for x
   x = 4,174,629,779.39/45,880.75
6. Step 6: Final answer
   x = 90,988.70