Finding the Third Proportional to 37,406.81 and 81,172.13

Step by Step Solution

1. Step 1: Write the proportion equation
   37,406.81 : 81,172.13 = 81,172.13 : x
2. Step 2: Convert to fraction form
   37,406.81/81,172.13 = 81,172.13/x
3. Step 3: Cross multiply
   37,406.81x = 81,172.13 × 81,172.13
4. Step 4: Simplify right side
   37,406.81x = 6,588,913,877.02
5. Step 5: Solve for x
   x = 6,588,913,877.02/37,406.81
6. Step 6: Final answer
   x = 176,142.08