Finding the Third Proportional to 724,209 and 1,064,124

Step by Step Solution

1. Step 1: Write the proportion equation
   724,209 : 1,064,124 = 1,064,124 : x
2. Step 2: Convert to fraction form
   724,209/1,064,124 = 1,064,124/x
3. Step 3: Cross multiply
   724,209x = 1,064,124 × 1,064,124
4. Step 4: Simplify right side
   724,209x = 1,132,359,887,376
5. Step 5: Solve for x
   x = 1,132,359,887,376/724,209
6. Step 6: Final answer
   x = 1,563,581.63