Finding the Third Proportional to 139,410 and 296,802

Step by Step Solution

1. Step 1: Write the proportion equation
   139,410 : 296,802 = 296,802 : x
2. Step 2: Convert to fraction form
   139,410/296,802 = 296,802/x
3. Step 3: Cross multiply
   139,410x = 296,802 × 296,802
4. Step 4: Simplify right side
   139,410x = 88,091,427,204
5. Step 5: Solve for x
   x = 88,091,427,204/139,410
6. Step 6: Final answer
   x = 631,887.43