Finding the Third Proportional to 47,830.50 and 66,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,830.50 : 66,870.56 = 66,870.56 : x
2. Step 2: Convert to fraction form
   47,830.50/66,870.56 = 66,870.56/x
3. Step 3: Cross multiply
   47,830.50x = 66,870.56 × 66,870.56
4. Step 4: Simplify right side
   47,830.50x = 4,471,672,129.07
5. Step 5: Solve for x
   x = 4,471,672,129.07/47,830.50
6. Step 6: Final answer
   x = 93,489.97