Finding the Third Proportional to 174,639 and 381,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,639 : 381,970.50 = 381,970.50 : x
2. Step 2: Convert to fraction form
   174,639/381,970.50 = 381,970.50/x
3. Step 3: Cross multiply
   174,639x = 381,970.50 × 381,970.50
4. Step 4: Simplify right side
   174,639x = 145,901,462,870.25
5. Step 5: Solve for x
   x = 145,901,462,870.25/174,639
6. Step 6: Final answer
   x = 835,446.05