Finding the Third Proportional to 8,688,816 and 17,610,480

Step by Step Solution

1. Step 1: Write the proportion equation
   8,688,816 : 17,610,480 = 17,610,480 : x
2. Step 2: Convert to fraction form
   8,688,816/17,610,480 = 17,610,480/x
3. Step 3: Cross multiply
   8,688,816x = 17,610,480 × 17,610,480
4. Step 4: Simplify right side
   8,688,816x = 310,129,005,830,400
5. Step 5: Solve for x
   x = 310,129,005,830,400/8,688,816
6. Step 6: Final answer
   x = 35,692,896.00