Finding the Third Proportional to 68,463 and 105,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,463 : 105,187.50 = 105,187.50 : x
2. Step 2: Convert to fraction form
   68,463/105,187.50 = 105,187.50/x
3. Step 3: Cross multiply
   68,463x = 105,187.50 × 105,187.50
4. Step 4: Simplify right side
   68,463x = 11,064,410,156.25
5. Step 5: Solve for x
   x = 11,064,410,156.25/68,463
6. Step 6: Final answer
   x = 161,611.53