Finding the Third Proportional to 72,325,842 and 109,161,354

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325,842 : 109,161,354 = 109,161,354 : x
2. Step 2: Convert to fraction form
   72,325,842/109,161,354 = 109,161,354/x
3. Step 3: Cross multiply
   72,325,842x = 109,161,354 × 109,161,354
4. Step 4: Simplify right side
   72,325,842x = 11,916,201,207,113,316
5. Step 5: Solve for x
   x = 11,916,201,207,113,316/72,325,842
6. Step 6: Final answer
   x = 164,757,172.23