Finding the Third Proportional to 721,362 and 1,567,140

Step by Step Solution

1. Step 1: Write the proportion equation
   721,362 : 1,567,140 = 1,567,140 : x
2. Step 2: Convert to fraction form
   721,362/1,567,140 = 1,567,140/x
3. Step 3: Cross multiply
   721,362x = 1,567,140 × 1,567,140
4. Step 4: Simplify right side
   721,362x = 2,455,927,779,600
5. Step 5: Solve for x
   x = 2,455,927,779,600/721,362
6. Step 6: Final answer
   x = 3,404,570.49