Finding the Third Proportional to 910,417.50 and 1,406,694

Step by Step Solution

1. Step 1: Write the proportion equation
   910,417.50 : 1,406,694 = 1,406,694 : x
2. Step 2: Convert to fraction form
   910,417.50/1,406,694 = 1,406,694/x
3. Step 3: Cross multiply
   910,417.50x = 1,406,694 × 1,406,694
4. Step 4: Simplify right side
   910,417.50x = 1,978,788,009,636
5. Step 5: Solve for x
   x = 1,978,788,009,636/910,417.50
6. Step 6: Final answer
   x = 2,173,495.14