Finding the Third Proportional to 810,272 and 1,746,139

Step by Step Solution

1. Step 1: Write the proportion equation
   810,272 : 1,746,139 = 1,746,139 : x
2. Step 2: Convert to fraction form
   810,272/1,746,139 = 1,746,139/x
3. Step 3: Cross multiply
   810,272x = 1,746,139 × 1,746,139
4. Step 4: Simplify right side
   810,272x = 3,049,001,407,321
5. Step 5: Solve for x
   x = 3,049,001,407,321/810,272
6. Step 6: Final answer
   x = 3,762,935.67