Finding the Third Proportional to 61,603 and 88,030

Step by Step Solution

1. Step 1: Write the proportion equation
   61,603 : 88,030 = 88,030 : x
2. Step 2: Convert to fraction form
   61,603/88,030 = 88,030/x
3. Step 3: Cross multiply
   61,603x = 88,030 × 88,030
4. Step 4: Simplify right side
   61,603x = 7,749,280,900
5. Step 5: Solve for x
   x = 7,749,280,900/61,603
6. Step 6: Final answer
   x = 125,793.89