Finding the Third Proportional to 17,875.69 and 37,486.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,875.69 : 37,486.55 = 37,486.55 : x
2. Step 2: Convert to fraction form
   17,875.69/37,486.55 = 37,486.55/x
3. Step 3: Cross multiply
   17,875.69x = 37,486.55 × 37,486.55
4. Step 4: Simplify right side
   17,875.69x = 1,405,241,196.61
5. Step 5: Solve for x
   x = 1,405,241,196.61/17,875.69
6. Step 6: Final answer
   x = 78,611.87