Finding the Third Proportional to 30,558 and 63,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,558 : 63,019.50 = 63,019.50 : x
2. Step 2: Convert to fraction form
   30,558/63,019.50 = 63,019.50/x
3. Step 3: Cross multiply
   30,558x = 63,019.50 × 63,019.50
4. Step 4: Simplify right side
   30,558x = 3,971,457,380.25
5. Step 5: Solve for x
   x = 3,971,457,380.25/30,558
6. Step 6: Final answer
   x = 129,964.57