Finding the Third Proportional to 10,561.50 and 19,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.50 : 19,354.50 = 19,354.50 : x
2. Step 2: Convert to fraction form
   10,561.50/19,354.50 = 19,354.50/x
3. Step 3: Cross multiply
   10,561.50x = 19,354.50 × 19,354.50
4. Step 4: Simplify right side
   10,561.50x = 374,596,670.25
5. Step 5: Solve for x
   x = 374,596,670.25/10,561.50
6. Step 6: Final answer
   x = 35,468.13