Finding the Third Proportional to 74,611,940 and 175,878,665

Step by Step Solution

1. Step 1: Write the proportion equation
   74,611,940 : 175,878,665 = 175,878,665 : x
2. Step 2: Convert to fraction form
   74,611,940/175,878,665 = 175,878,665/x
3. Step 3: Cross multiply
   74,611,940x = 175,878,665 × 175,878,665
4. Step 4: Simplify right side
   74,611,940x = 30,933,304,802,182,224
5. Step 5: Solve for x
   x = 30,933,304,802,182,224/74,611,940
6. Step 6: Final answer
   x = 414,589,203.85