Finding the Third Proportional to 17,142,320 and 36,609,492

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142,320 : 36,609,492 = 36,609,492 : x
2. Step 2: Convert to fraction form
   17,142,320/36,609,492 = 36,609,492/x
3. Step 3: Cross multiply
   17,142,320x = 36,609,492 × 36,609,492
4. Step 4: Simplify right side
   17,142,320x = 1,340,254,904,498,064
5. Step 5: Solve for x
   x = 1,340,254,904,498,064/17,142,320
6. Step 6: Final answer
   x = 78,183,985.86