Finding the Third Proportional to 37,580.63 and 87,390.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,580.63 : 87,390.56 = 87,390.56 : x
2. Step 2: Convert to fraction form
   37,580.63/87,390.56 = 87,390.56/x
3. Step 3: Cross multiply
   37,580.63x = 87,390.56 × 87,390.56
4. Step 4: Simplify right side
   37,580.63x = 7,637,110,414.07
5. Step 5: Solve for x
   x = 7,637,110,414.07/37,580.63
6. Step 6: Final answer
   x = 203,219.36