Finding the Third Proportional to 133,061 and 288,726

Step by Step Solution

1. Step 1: Write the proportion equation
   133,061 : 288,726 = 288,726 : x
2. Step 2: Convert to fraction form
   133,061/288,726 = 288,726/x
3. Step 3: Cross multiply
   133,061x = 288,726 × 288,726
4. Step 4: Simplify right side
   133,061x = 83,362,703,076
5. Step 5: Solve for x
   x = 83,362,703,076/133,061
6. Step 6: Final answer
   x = 626,499.90