Finding the Third Proportional to 193,776 and 415,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,776 : 415,579.50 = 415,579.50 : x
2. Step 2: Convert to fraction form
   193,776/415,579.50 = 415,579.50/x
3. Step 3: Cross multiply
   193,776x = 415,579.50 × 415,579.50
4. Step 4: Simplify right side
   193,776x = 172,706,320,820.25
5. Step 5: Solve for x
   x = 172,706,320,820.25/193,776
6. Step 6: Final answer
   x = 891,267.86