Finding the Third Proportional to 139,160 and 303,316

Step by Step Solution

1. Step 1: Write the proportion equation
   139,160 : 303,316 = 303,316 : x
2. Step 2: Convert to fraction form
   139,160/303,316 = 303,316/x
3. Step 3: Cross multiply
   139,160x = 303,316 × 303,316
4. Step 4: Simplify right side
   139,160x = 92,000,595,856
5. Step 5: Solve for x
   x = 92,000,595,856/139,160
6. Step 6: Final answer
   x = 661,113.80