Finding the Third Proportional to 870,060 and 1,911,498

Step by Step Solution

1. Step 1: Write the proportion equation
   870,060 : 1,911,498 = 1,911,498 : x
2. Step 2: Convert to fraction form
   870,060/1,911,498 = 1,911,498/x
3. Step 3: Cross multiply
   870,060x = 1,911,498 × 1,911,498
4. Step 4: Simplify right side
   870,060x = 3,653,824,604,004
5. Step 5: Solve for x
   x = 3,653,824,604,004/870,060
6. Step 6: Final answer
   x = 4,199,508.77