Finding the Third Proportional to 178,362 and 371,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,362 : 371,479.50 = 371,479.50 : x
2. Step 2: Convert to fraction form
   178,362/371,479.50 = 371,479.50/x
3. Step 3: Cross multiply
   178,362x = 371,479.50 × 371,479.50
4. Step 4: Simplify right side
   178,362x = 137,997,018,920.25
5. Step 5: Solve for x
   x = 137,997,018,920.25/178,362
6. Step 6: Final answer
   x = 773,690.69