Finding the Third Proportional to 61,354.50 and 90,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,354.50 : 90,010.50 = 90,010.50 : x
2. Step 2: Convert to fraction form
   61,354.50/90,010.50 = 90,010.50/x
3. Step 3: Cross multiply
   61,354.50x = 90,010.50 × 90,010.50
4. Step 4: Simplify right side
   61,354.50x = 8,101,890,110.25
5. Step 5: Solve for x
   x = 8,101,890,110.25/61,354.50
6. Step 6: Final answer
   x = 132,050.46