Finding the Third Proportional to 721,424 and 1,567,264

Step by Step Solution

1. Step 1: Write the proportion equation
   721,424 : 1,567,264 = 1,567,264 : x
2. Step 2: Convert to fraction form
   721,424/1,567,264 = 1,567,264/x
3. Step 3: Cross multiply
   721,424x = 1,567,264 × 1,567,264
4. Step 4: Simplify right side
   721,424x = 2,456,316,445,696
5. Step 5: Solve for x
   x = 2,456,316,445,696/721,424
6. Step 6: Final answer
   x = 3,404,816.65