Finding the Third Proportional to 15,764.18 and 31,090.47

Step by Step Solution

1. Step 1: Write the proportion equation
   15,764.18 : 31,090.47 = 31,090.47 : x
2. Step 2: Convert to fraction form
   15,764.18/31,090.47 = 31,090.47/x
3. Step 3: Cross multiply
   15,764.18x = 31,090.47 × 31,090.47
4. Step 4: Simplify right side
   15,764.18x = 966,617,089.59
5. Step 5: Solve for x
   x = 966,617,089.59/15,764.18
6. Step 6: Final answer
   x = 61,317.31