Finding the Third Proportional to 5,654,069,578.50 and 12,429,745,389

Step by Step Solution

1. Step 1: Write the proportion equation
   5,654,069,578.50 : 12,429,745,389 = 12,429,745,389 : x
2. Step 2: Convert to fraction form
   5,654,069,578.50/12,429,745,389 = 12,429,745,389/x
3. Step 3: Cross multiply
   5,654,069,578.50x = 12,429,745,389 × 12,429,745,389
4. Step 4: Simplify right side
   5,654,069,578.50x = 154,498,570,435,366,748,160
5. Step 5: Solve for x
   x = 154,498,570,435,366,748,160/5,654,069,578.50
6. Step 6: Final answer
   x = 27,325,197,946.42