Finding the Third Proportional to 66,958 and 91,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,958 : 91,814.50 = 91,814.50 : x
2. Step 2: Convert to fraction form
   66,958/91,814.50 = 91,814.50/x
3. Step 3: Cross multiply
   66,958x = 91,814.50 × 91,814.50
4. Step 4: Simplify right side
   66,958x = 8,429,902,410.25
5. Step 5: Solve for x
   x = 8,429,902,410.25/66,958
6. Step 6: Final answer
   x = 125,898.36