Finding the Third Proportional to 191,264,915,709 and 418,560,114,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,264,915,709 : 418,560,114,046.50 = 418,560,114,046.50 : x
2. Step 2: Convert to fraction form
   191,264,915,709/418,560,114,046.50 = 418,560,114,046.50/x
3. Step 3: Cross multiply
   191,264,915,709x = 418,560,114,046.50 × 418,560,114,046.50
4. Step 4: Simplify right side
   191,264,915,709x = 175,192,569,070,619,100,971,008
5. Step 5: Solve for x
   x = 175,192,569,070,619,100,971,008/191,264,915,709
6. Step 6: Final answer
   x = 915,968,139,902.70