Finding the Third Proportional to 30,000 and 63,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,000 : 63,691.50 = 63,691.50 : x
2. Step 2: Convert to fraction form
   30,000/63,691.50 = 63,691.50/x
3. Step 3: Cross multiply
   30,000x = 63,691.50 × 63,691.50
4. Step 4: Simplify right side
   30,000x = 4,056,607,172.25
5. Step 5: Solve for x
   x = 4,056,607,172.25/30,000
6. Step 6: Final answer
   x = 135,220.24