Finding the Third Proportional to 76,560,968 and 168,002,320

Step by Step Solution

1. Step 1: Write the proportion equation
   76,560,968 : 168,002,320 = 168,002,320 : x
2. Step 2: Convert to fraction form
   76,560,968/168,002,320 = 168,002,320/x
3. Step 3: Cross multiply
   76,560,968x = 168,002,320 × 168,002,320
4. Step 4: Simplify right side
   76,560,968x = 28,224,779,525,382,400
5. Step 5: Solve for x
   x = 28,224,779,525,382,400/76,560,968
6. Step 6: Final answer
   x = 368,657,558.32