Finding the Third Proportional to 5,159,812.50 and 12,049,031.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,159,812.50 : 12,049,031.25 = 12,049,031.25 : x
2. Step 2: Convert to fraction form
   5,159,812.50/12,049,031.25 = 12,049,031.25/x
3. Step 3: Cross multiply
   5,159,812.50x = 12,049,031.25 × 12,049,031.25
4. Step 4: Simplify right side
   5,159,812.50x = 145,179,154,063,476.56
5. Step 5: Solve for x
   x = 145,179,154,063,476.56/5,159,812.50
6. Step 6: Final answer
   x = 28,136,517.38