Finding the Third Proportional to 786,364 and 1,186,043

Step by Step Solution

1. Step 1: Write the proportion equation
   786,364 : 1,186,043 = 1,186,043 : x
2. Step 2: Convert to fraction form
   786,364/1,186,043 = 1,186,043/x
3. Step 3: Cross multiply
   786,364x = 1,186,043 × 1,186,043
4. Step 4: Simplify right side
   786,364x = 1,406,697,997,849
5. Step 5: Solve for x
   x = 1,406,697,997,849/786,364
6. Step 6: Final answer
   x = 1,788,863.68