Finding the Third Proportional to 28,623.38 and 42,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,623.38 : 42,530.06 = 42,530.06 : x
2. Step 2: Convert to fraction form
   28,623.38/42,530.06 = 42,530.06/x
3. Step 3: Cross multiply
   28,623.38x = 42,530.06 × 42,530.06
4. Step 4: Simplify right side
   28,623.38x = 1,808,806,216.25
5. Step 5: Solve for x
   x = 1,808,806,216.25/28,623.38
6. Step 6: Final answer
   x = 63,193.32