Finding the Third Proportional to 877,272 and 1,913,196

Step by Step Solution

1. Step 1: Write the proportion equation
   877,272 : 1,913,196 = 1,913,196 : x
2. Step 2: Convert to fraction form
   877,272/1,913,196 = 1,913,196/x
3. Step 3: Cross multiply
   877,272x = 1,913,196 × 1,913,196
4. Step 4: Simplify right side
   877,272x = 3,660,318,934,416
5. Step 5: Solve for x
   x = 3,660,318,934,416/877,272
6. Step 6: Final answer
   x = 4,172,387.74