Finding the Third Proportional to 73,910 and 153,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,910 : 153,069.50 = 153,069.50 : x
2. Step 2: Convert to fraction form
   73,910/153,069.50 = 153,069.50/x
3. Step 3: Cross multiply
   73,910x = 153,069.50 × 153,069.50
4. Step 4: Simplify right side
   73,910x = 23,430,271,830.25
5. Step 5: Solve for x
   x = 23,430,271,830.25/73,910
6. Step 6: Final answer
   x = 317,010.85