Finding the Third Proportional to 37,688.63 and 55,409.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,688.63 : 55,409.06 = 55,409.06 : x
2. Step 2: Convert to fraction form
   37,688.63/55,409.06 = 55,409.06/x
3. Step 3: Cross multiply
   37,688.63x = 55,409.06 × 55,409.06
4. Step 4: Simplify right side
   37,688.63x = 3,070,164,207.13
5. Step 5: Solve for x
   x = 3,070,164,207.13/37,688.63
6. Step 6: Final answer
   x = 81,461.30