Finding the Third Proportional to 5,196,641,419.50 and 12,125,915,724

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196,641,419.50 : 12,125,915,724 = 12,125,915,724 : x
2. Step 2: Convert to fraction form
   5,196,641,419.50/12,125,915,724 = 12,125,915,724/x
3. Step 3: Cross multiply
   5,196,641,419.50x = 12,125,915,724 × 12,125,915,724
4. Step 4: Simplify right side
   5,196,641,419.50x = 147,037,832,145,550,442,496
5. Step 5: Solve for x
   x = 147,037,832,145,550,442,496/5,196,641,419.50
6. Step 6: Final answer
   x = 28,294,781,239.63