Finding the Third Proportional to 69,303 and 105,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,303 : 105,412.50 = 105,412.50 : x
2. Step 2: Convert to fraction form
   69,303/105,412.50 = 105,412.50/x
3. Step 3: Cross multiply
   69,303x = 105,412.50 × 105,412.50
4. Step 4: Simplify right side
   69,303x = 11,111,795,156.25
5. Step 5: Solve for x
   x = 11,111,795,156.25/69,303
6. Step 6: Final answer
   x = 160,336.42