Finding the Third Proportional to 42,453 and 59,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,453 : 59,386.50 = 59,386.50 : x
2. Step 2: Convert to fraction form
   42,453/59,386.50 = 59,386.50/x
3. Step 3: Cross multiply
   42,453x = 59,386.50 × 59,386.50
4. Step 4: Simplify right side
   42,453x = 3,526,756,382.25
5. Step 5: Solve for x
   x = 3,526,756,382.25/42,453
6. Step 6: Final answer
   x = 83,074.37