Finding the Third Proportional to 912,640.50 and 1,418,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   912,640.50 : 1,418,740.50 = 1,418,740.50 : x
2. Step 2: Convert to fraction form
   912,640.50/1,418,740.50 = 1,418,740.50/x
3. Step 3: Cross multiply
   912,640.50x = 1,418,740.50 × 1,418,740.50
4. Step 4: Simplify right side
   912,640.50x = 2,012,824,606,340.25
5. Step 5: Solve for x
   x = 2,012,824,606,340.25/912,640.50
6. Step 6: Final answer
   x = 2,205,495.60