Finding the Third Proportional to 877,248 and 1,915,272

Step by Step Solution

1. Step 1: Write the proportion equation
   877,248 : 1,915,272 = 1,915,272 : x
2. Step 2: Convert to fraction form
   877,248/1,915,272 = 1,915,272/x
3. Step 3: Cross multiply
   877,248x = 1,915,272 × 1,915,272
4. Step 4: Simplify right side
   877,248x = 3,668,266,833,984
5. Step 5: Solve for x
   x = 3,668,266,833,984/877,248
6. Step 6: Final answer
   x = 4,181,561.92