Finding the Third Proportional to 1,688,374 and 2,418,566

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,374 : 2,418,566 = 2,418,566 : x
2. Step 2: Convert to fraction form
   1,688,374/2,418,566 = 2,418,566/x
3. Step 3: Cross multiply
   1,688,374x = 2,418,566 × 2,418,566
4. Step 4: Simplify right side
   1,688,374x = 5,849,461,496,356
5. Step 5: Solve for x
   x = 5,849,461,496,356/1,688,374
6. Step 6: Final answer
   x = 3,464,553.17