Finding the Third Proportional to 61,263 and 89,230.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,263 : 89,230.50 = 89,230.50 : x
2. Step 2: Convert to fraction form
   61,263/89,230.50 = 89,230.50/x
3. Step 3: Cross multiply
   61,263x = 89,230.50 × 89,230.50
4. Step 4: Simplify right side
   61,263x = 7,962,082,130.25
5. Step 5: Solve for x
   x = 7,962,082,130.25/61,263
6. Step 6: Final answer
   x = 129,965.59