Finding the Third Proportional to 342,632 and 744,070

Step by Step Solution

1. Step 1: Write the proportion equation
   342,632 : 744,070 = 744,070 : x
2. Step 2: Convert to fraction form
   342,632/744,070 = 744,070/x
3. Step 3: Cross multiply
   342,632x = 744,070 × 744,070
4. Step 4: Simplify right side
   342,632x = 553,640,164,900
5. Step 5: Solve for x
   x = 553,640,164,900/342,632
6. Step 6: Final answer
   x = 1,615,844.89