Finding the Third Proportional to 73,197 and 99,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,197 : 99,427.50 = 99,427.50 : x
2. Step 2: Convert to fraction form
   73,197/99,427.50 = 99,427.50/x
3. Step 3: Cross multiply
   73,197x = 99,427.50 × 99,427.50
4. Step 4: Simplify right side
   73,197x = 9,885,827,756.25
5. Step 5: Solve for x
   x = 9,885,827,756.25/73,197
6. Step 6: Final answer
   x = 135,057.83