Finding the Third Proportional to 62,848.50 and 87,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,848.50 : 87,912.50 = 87,912.50 : x
2. Step 2: Convert to fraction form
   62,848.50/87,912.50 = 87,912.50/x
3. Step 3: Cross multiply
   62,848.50x = 87,912.50 × 87,912.50
4. Step 4: Simplify right side
   62,848.50x = 7,728,607,656.25
5. Step 5: Solve for x
   x = 7,728,607,656.25/62,848.50
6. Step 6: Final answer
   x = 122,972.03