Finding the Third Proportional to 28,305 and 61,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,305 : 61,522.50 = 61,522.50 : x
2. Step 2: Convert to fraction form
   28,305/61,522.50 = 61,522.50/x
3. Step 3: Cross multiply
   28,305x = 61,522.50 × 61,522.50
4. Step 4: Simplify right side
   28,305x = 3,785,018,006.25
5. Step 5: Solve for x
   x = 3,785,018,006.25/28,305
6. Step 6: Final answer
   x = 133,722.59