Finding the Third Proportional to 103,997.50 and 148,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,997.50 : 148,611.50 = 148,611.50 : x
2. Step 2: Convert to fraction form
   103,997.50/148,611.50 = 148,611.50/x
3. Step 3: Cross multiply
   103,997.50x = 148,611.50 × 148,611.50
4. Step 4: Simplify right side
   103,997.50x = 22,085,377,932.25
5. Step 5: Solve for x
   x = 22,085,377,932.25/103,997.50
6. Step 6: Final answer
   x = 212,364.51