Finding the Third Proportional to 67,316 and 105,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,316 : 105,607.50 = 105,607.50 : x
2. Step 2: Convert to fraction form
   67,316/105,607.50 = 105,607.50/x
3. Step 3: Cross multiply
   67,316x = 105,607.50 × 105,607.50
4. Step 4: Simplify right side
   67,316x = 11,152,944,056.25
5. Step 5: Solve for x
   x = 11,152,944,056.25/67,316
6. Step 6: Final answer
   x = 165,680.43