Finding the Third Proportional to 623,570 and 1,346,788

Step by Step Solution

1. Step 1: Write the proportion equation
   623,570 : 1,346,788 = 1,346,788 : x
2. Step 2: Convert to fraction form
   623,570/1,346,788 = 1,346,788/x
3. Step 3: Cross multiply
   623,570x = 1,346,788 × 1,346,788
4. Step 4: Simplify right side
   623,570x = 1,813,837,916,944
5. Step 5: Solve for x
   x = 1,813,837,916,944/623,570
6. Step 6: Final answer
   x = 2,908,795.99