Finding the Third Proportional to 81,868,492 and 179,118,880

Step by Step Solution

1. Step 1: Write the proportion equation
   81,868,492 : 179,118,880 = 179,118,880 : x
2. Step 2: Convert to fraction form
   81,868,492/179,118,880 = 179,118,880/x
3. Step 3: Cross multiply
   81,868,492x = 179,118,880 × 179,118,880
4. Step 4: Simplify right side
   81,868,492x = 32,083,573,172,454,400
5. Step 5: Solve for x
   x = 32,083,573,172,454,400/81,868,492
6. Step 6: Final answer
   x = 391,891,585.99