Finding the Third Proportional to 139,552 and 297,776

Step by Step Solution

1. Step 1: Write the proportion equation
   139,552 : 297,776 = 297,776 : x
2. Step 2: Convert to fraction form
   139,552/297,776 = 297,776/x
3. Step 3: Cross multiply
   139,552x = 297,776 × 297,776
4. Step 4: Simplify right side
   139,552x = 88,670,546,176
5. Step 5: Solve for x
   x = 88,670,546,176/139,552
6. Step 6: Final answer
   x = 635,394.31