Finding the Third Proportional to 778,927.50 and 1,619,773.88

Step by Step Solution

1. Step 1: Write the proportion equation
   778,927.50 : 1,619,773.88 = 1,619,773.88 : x
2. Step 2: Convert to fraction form
   778,927.50/1,619,773.88 = 1,619,773.88/x
3. Step 3: Cross multiply
   778,927.50x = 1,619,773.88 × 1,619,773.88
4. Step 4: Simplify right side
   778,927.50x = 2,623,667,406,132.52
5. Step 5: Solve for x
   x = 2,623,667,406,132.52/778,927.50
6. Step 6: Final answer
   x = 3,368,307.58