Finding the Third Proportional to 514,407.50 and 693,908

Step by Step Solution

1. Step 1: Write the proportion equation
   514,407.50 : 693,908 = 693,908 : x
2. Step 2: Convert to fraction form
   514,407.50/693,908 = 693,908/x
3. Step 3: Cross multiply
   514,407.50x = 693,908 × 693,908
4. Step 4: Simplify right side
   514,407.50x = 481,508,312,464
5. Step 5: Solve for x
   x = 481,508,312,464/514,407.50
6. Step 6: Final answer
   x = 936,044.50