Finding the Third Proportional to 42,462.38 and 86,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,462.38 : 86,767.50 = 86,767.50 : x
2. Step 2: Convert to fraction form
   42,462.38/86,767.50 = 86,767.50/x
3. Step 3: Cross multiply
   42,462.38x = 86,767.50 × 86,767.50
4. Step 4: Simplify right side
   42,462.38x = 7,528,599,056.25
5. Step 5: Solve for x
   x = 7,528,599,056.25/42,462.38
6. Step 6: Final answer
   x = 177,300.47