Finding the Third Proportional to 139,764 and 301,776

Step by Step Solution

1. Step 1: Write the proportion equation
   139,764 : 301,776 = 301,776 : x
2. Step 2: Convert to fraction form
   139,764/301,776 = 301,776/x
3. Step 3: Cross multiply
   139,764x = 301,776 × 301,776
4. Step 4: Simplify right side
   139,764x = 91,068,754,176
5. Step 5: Solve for x
   x = 91,068,754,176/139,764
6. Step 6: Final answer
   x = 651,589.49