Finding the Third Proportional to 611,357.63 and 1,438,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   611,357.63 : 1,438,499.25 = 1,438,499.25 : x
2. Step 2: Convert to fraction form
   611,357.63/1,438,499.25 = 1,438,499.25/x
3. Step 3: Cross multiply
   611,357.63x = 1,438,499.25 × 1,438,499.25
4. Step 4: Simplify right side
   611,357.63x = 2,069,280,092,250.56
5. Step 5: Solve for x
   x = 2,069,280,092,250.56/611,357.63
6. Step 6: Final answer
   x = 3,384,729.34