Finding the Third Proportional to 563,172 and 1,225,492

Step by Step Solution

1. Step 1: Write the proportion equation
   563,172 : 1,225,492 = 1,225,492 : x
2. Step 2: Convert to fraction form
   563,172/1,225,492 = 1,225,492/x
3. Step 3: Cross multiply
   563,172x = 1,225,492 × 1,225,492
4. Step 4: Simplify right side
   563,172x = 1,501,830,642,064
5. Step 5: Solve for x
   x = 1,501,830,642,064/563,172
6. Step 6: Final answer
   x = 2,666,735.28