Finding the Third Proportional to 803,358 and 1,066,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   803,358 : 1,066,162.50 = 1,066,162.50 : x
2. Step 2: Convert to fraction form
   803,358/1,066,162.50 = 1,066,162.50/x
3. Step 3: Cross multiply
   803,358x = 1,066,162.50 × 1,066,162.50
4. Step 4: Simplify right side
   803,358x = 1,136,702,476,406.25
5. Step 5: Solve for x
   x = 1,136,702,476,406.25/803,358
6. Step 6: Final answer
   x = 1,414,938.89