Finding the Third Proportional to 9,970 and 10,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970 : 10,901.50 = 10,901.50 : x
2. Step 2: Convert to fraction form
   9,970/10,901.50 = 10,901.50/x
3. Step 3: Cross multiply
   9,970x = 10,901.50 × 10,901.50
4. Step 4: Simplify right side
   9,970x = 118,842,702.25
5. Step 5: Solve for x
   x = 118,842,702.25/9,970
6. Step 6: Final answer
   x = 11,920.03