Finding the Third Proportional to 376,722 and 812,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   376,722 : 812,491.50 = 812,491.50 : x
2. Step 2: Convert to fraction form
   376,722/812,491.50 = 812,491.50/x
3. Step 3: Cross multiply
   376,722x = 812,491.50 × 812,491.50
4. Step 4: Simplify right side
   376,722x = 660,142,437,572.25
5. Step 5: Solve for x
   x = 660,142,437,572.25/376,722
6. Step 6: Final answer
   x = 1,752,333.12