Finding the Third Proportional to 148,380,912 and 317,182,068

Step by Step Solution

1. Step 1: Write the proportion equation
   148,380,912 : 317,182,068 = 317,182,068 : x
2. Step 2: Convert to fraction form
   148,380,912/317,182,068 = 317,182,068/x
3. Step 3: Cross multiply
   148,380,912x = 317,182,068 × 317,182,068
4. Step 4: Simplify right side
   148,380,912x = 100,604,464,260,756,624
5. Step 5: Solve for x
   x = 100,604,464,260,756,624/148,380,912
6. Step 6: Final answer
   x = 678,014,866.63