Finding the Third Proportional to 721,354 and 1,567,124

Step by Step Solution

1. Step 1: Write the proportion equation
   721,354 : 1,567,124 = 1,567,124 : x
2. Step 2: Convert to fraction form
   721,354/1,567,124 = 1,567,124/x
3. Step 3: Cross multiply
   721,354x = 1,567,124 × 1,567,124
4. Step 4: Simplify right side
   721,354x = 2,455,877,631,376
5. Step 5: Solve for x
   x = 2,455,877,631,376/721,354
6. Step 6: Final answer
   x = 3,404,538.73