Finding the Third Proportional to 679,968 and 920,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   679,968 : 920,101.50 = 920,101.50 : x
2. Step 2: Convert to fraction form
   679,968/920,101.50 = 920,101.50/x
3. Step 3: Cross multiply
   679,968x = 920,101.50 × 920,101.50
4. Step 4: Simplify right side
   679,968x = 846,586,770,302.25
5. Step 5: Solve for x
   x = 846,586,770,302.25/679,968
6. Step 6: Final answer
   x = 1,245,039.13