Finding the Third Proportional to 342,810 and 738,300.38

Step by Step Solution

1. Step 1: Write the proportion equation
   342,810 : 738,300.38 = 738,300.38 : x
2. Step 2: Convert to fraction form
   342,810/738,300.38 = 738,300.38/x
3. Step 3: Cross multiply
   342,810x = 738,300.38 × 738,300.38
4. Step 4: Simplify right side
   342,810x = 545,087,443,725.14
5. Step 5: Solve for x
   x = 545,087,443,725.14/342,810
6. Step 6: Final answer
   x = 1,590,057.01