Finding the Third Proportional to 30,830,568 and 67,764,528

Step by Step Solution

1. Step 1: Write the proportion equation
   30,830,568 : 67,764,528 = 67,764,528 : x
2. Step 2: Convert to fraction form
   30,830,568/67,764,528 = 67,764,528/x
3. Step 3: Cross multiply
   30,830,568x = 67,764,528 × 67,764,528
4. Step 4: Simplify right side
   30,830,568x = 4,592,031,255,062,784
5. Step 5: Solve for x
   x = 4,592,031,255,062,784/30,830,568
6. Step 6: Final answer
   x = 148,944,101.68