Finding the Third Proportional to 105,216,920 and 230,547,760

Step by Step Solution

1. Step 1: Write the proportion equation
   105,216,920 : 230,547,760 = 230,547,760 : x
2. Step 2: Convert to fraction form
   105,216,920/230,547,760 = 230,547,760/x
3. Step 3: Cross multiply
   105,216,920x = 230,547,760 × 230,547,760
4. Step 4: Simplify right side
   105,216,920x = 53,152,269,641,017,600
5. Step 5: Solve for x
   x = 53,152,269,641,017,600/105,216,920
6. Step 6: Final answer
   x = 505,168,461.89