Finding the Third Proportional to 77,799 and 110,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,799 : 110,092.50 = 110,092.50 : x
2. Step 2: Convert to fraction form
   77,799/110,092.50 = 110,092.50/x
3. Step 3: Cross multiply
   77,799x = 110,092.50 × 110,092.50
4. Step 4: Simplify right side
   77,799x = 12,120,358,556.25
5. Step 5: Solve for x
   x = 12,120,358,556.25/77,799
6. Step 6: Final answer
   x = 155,790.67