Finding the Third Proportional to 139,068 and 297,828

Step by Step Solution

1. Step 1: Write the proportion equation
   139,068 : 297,828 = 297,828 : x
2. Step 2: Convert to fraction form
   139,068/297,828 = 297,828/x
3. Step 3: Cross multiply
   139,068x = 297,828 × 297,828
4. Step 4: Simplify right side
   139,068x = 88,701,517,584
5. Step 5: Solve for x
   x = 88,701,517,584/139,068
6. Step 6: Final answer
   x = 637,828.38