Finding the Third Proportional to 37,488 and 81,090

Step by Step Solution

1. Step 1: Write the proportion equation
   37,488 : 81,090 = 81,090 : x
2. Step 2: Convert to fraction form
   37,488/81,090 = 81,090/x
3. Step 3: Cross multiply
   37,488x = 81,090 × 81,090
4. Step 4: Simplify right side
   37,488x = 6,575,588,100
5. Step 5: Solve for x
   x = 6,575,588,100/37,488
6. Step 6: Final answer
   x = 175,405.15