Finding the Third Proportional to 349,510 and 756,146

Step by Step Solution

1. Step 1: Write the proportion equation
   349,510 : 756,146 = 756,146 : x
2. Step 2: Convert to fraction form
   349,510/756,146 = 756,146/x
3. Step 3: Cross multiply
   349,510x = 756,146 × 756,146
4. Step 4: Simplify right side
   349,510x = 571,756,773,316
5. Step 5: Solve for x
   x = 571,756,773,316/349,510
6. Step 6: Final answer
   x = 1,635,881.01