Finding the Third Proportional to 368,946 and 555,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,946 : 555,997.50 = 555,997.50 : x
2. Step 2: Convert to fraction form
   368,946/555,997.50 = 555,997.50/x
3. Step 3: Cross multiply
   368,946x = 555,997.50 × 555,997.50
4. Step 4: Simplify right side
   368,946x = 309,133,220,006.25
5. Step 5: Solve for x
   x = 309,133,220,006.25/368,946
6. Step 6: Final answer
   x = 837,882.02