Finding the Third Proportional to 69,012 and 102,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,012 : 102,910.50 = 102,910.50 : x
2. Step 2: Convert to fraction form
   69,012/102,910.50 = 102,910.50/x
3. Step 3: Cross multiply
   69,012x = 102,910.50 × 102,910.50
4. Step 4: Simplify right side
   69,012x = 10,590,571,010.25
5. Step 5: Solve for x
   x = 10,590,571,010.25/69,012
6. Step 6: Final answer
   x = 153,459.85