Finding the Third Proportional to 78,813 and 110,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,813 : 110,848.50 = 110,848.50 : x
2. Step 2: Convert to fraction form
   78,813/110,848.50 = 110,848.50/x
3. Step 3: Cross multiply
   78,813x = 110,848.50 × 110,848.50
4. Step 4: Simplify right side
   78,813x = 12,287,389,952.25
5. Step 5: Solve for x
   x = 12,287,389,952.25/78,813
6. Step 6: Final answer
   x = 155,905.62