Finding the Third Proportional to 72,325,840 and 109,161,350

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325,840 : 109,161,350 = 109,161,350 : x
2. Step 2: Convert to fraction form
   72,325,840/109,161,350 = 109,161,350/x
3. Step 3: Cross multiply
   72,325,840x = 109,161,350 × 109,161,350
4. Step 4: Simplify right side
   72,325,840x = 11,916,200,333,822,500
5. Step 5: Solve for x
   x = 11,916,200,333,822,500/72,325,840
6. Step 6: Final answer
   x = 164,757,164.71