Finding the Third Proportional to 611,473 and 880,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   611,473 : 880,749.50 = 880,749.50 : x
2. Step 2: Convert to fraction form
   611,473/880,749.50 = 880,749.50/x
3. Step 3: Cross multiply
   611,473x = 880,749.50 × 880,749.50
4. Step 4: Simplify right side
   611,473x = 775,719,681,750.25
5. Step 5: Solve for x
   x = 775,719,681,750.25/611,473
6. Step 6: Final answer
   x = 1,268,608.23