Finding the Third Proportional to 721,370 and 1,567,156

Step by Step Solution

1. Step 1: Write the proportion equation
   721,370 : 1,567,156 = 1,567,156 : x
2. Step 2: Convert to fraction form
   721,370/1,567,156 = 1,567,156/x
3. Step 3: Cross multiply
   721,370x = 1,567,156 × 1,567,156
4. Step 4: Simplify right side
   721,370x = 2,455,977,928,336
5. Step 5: Solve for x
   x = 2,455,977,928,336/721,370
6. Step 6: Final answer
   x = 3,404,602.25