Finding the Third Proportional to 514,980 and 742,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   514,980 : 742,945.50 = 742,945.50 : x
2. Step 2: Convert to fraction form
   514,980/742,945.50 = 742,945.50/x
3. Step 3: Cross multiply
   514,980x = 742,945.50 × 742,945.50
4. Step 4: Simplify right side
   514,980x = 551,968,015,970.25
5. Step 5: Solve for x
   x = 551,968,015,970.25/514,980
6. Step 6: Final answer
   x = 1,071,824.18