Finding the Third Proportional to 721,346 and 1,567,108

Step by Step Solution

1. Step 1: Write the proportion equation
   721,346 : 1,567,108 = 1,567,108 : x
2. Step 2: Convert to fraction form
   721,346/1,567,108 = 1,567,108/x
3. Step 3: Cross multiply
   721,346x = 1,567,108 × 1,567,108
4. Step 4: Simplify right side
   721,346x = 2,455,827,483,664
5. Step 5: Solve for x
   x = 2,455,827,483,664/721,346
6. Step 6: Final answer
   x = 3,404,506.97