Finding the Third Proportional to 679,119 and 919,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   679,119 : 919,030.50 = 919,030.50 : x
2. Step 2: Convert to fraction form
   679,119/919,030.50 = 919,030.50/x
3. Step 3: Cross multiply
   679,119x = 919,030.50 × 919,030.50
4. Step 4: Simplify right side
   679,119x = 844,617,059,930.25
5. Step 5: Solve for x
   x = 844,617,059,930.25/679,119
6. Step 6: Final answer
   x = 1,243,695.23