Finding the Third Proportional to 8,057,890.50 and 12,495,318

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057,890.50 : 12,495,318 = 12,495,318 : x
2. Step 2: Convert to fraction form
   8,057,890.50/12,495,318 = 12,495,318/x
3. Step 3: Cross multiply
   8,057,890.50x = 12,495,318 × 12,495,318
4. Step 4: Simplify right side
   8,057,890.50x = 156,132,971,921,124
5. Step 5: Solve for x
   x = 156,132,971,921,124/8,057,890.50
6. Step 6: Final answer
   x = 19,376,407.75