Finding the Third Proportional to 9,978.19 and 14,898.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.19 : 14,898.94 = 14,898.94 : x
2. Step 2: Convert to fraction form
   9,978.19/14,898.94 = 14,898.94/x
3. Step 3: Cross multiply
   9,978.19x = 14,898.94 × 14,898.94
4. Step 4: Simplify right side
   9,978.19x = 221,978,338.63
5. Step 5: Solve for x
   x = 221,978,338.63/9,978.19
6. Step 6: Final answer
   x = 22,246.36