Finding the Third Proportional to 55,213 and 73,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,213 : 73,561.50 = 73,561.50 : x
2. Step 2: Convert to fraction form
   55,213/73,561.50 = 73,561.50/x
3. Step 3: Cross multiply
   55,213x = 73,561.50 × 73,561.50
4. Step 4: Simplify right side
   55,213x = 5,411,294,282.25
5. Step 5: Solve for x
   x = 5,411,294,282.25/55,213
6. Step 6: Final answer
   x = 98,007.61