Finding the Third Proportional to 551,097 and 780,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   551,097 : 780,016.50 = 780,016.50 : x
2. Step 2: Convert to fraction form
   551,097/780,016.50 = 780,016.50/x
3. Step 3: Cross multiply
   551,097x = 780,016.50 × 780,016.50
4. Step 4: Simplify right side
   551,097x = 608,425,740,272.25
5. Step 5: Solve for x
   x = 608,425,740,272.25/551,097
6. Step 6: Final answer
   x = 1,104,026.59