Finding the Third Proportional to 17,421.19 and 37,090.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,421.19 : 37,090.13 = 37,090.13 : x
2. Step 2: Convert to fraction form
   17,421.19/37,090.13 = 37,090.13/x
3. Step 3: Cross multiply
   17,421.19x = 37,090.13 × 37,090.13
4. Step 4: Simplify right side
   17,421.19x = 1,375,677,372.52
5. Step 5: Solve for x
   x = 1,375,677,372.52/17,421.19
6. Step 6: Final answer
   x = 78,965.76