Finding the Third Proportional to 7,068,957,052.50 and 10,542,134,405.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068,957,052.50 : 10,542,134,405.25 = 10,542,134,405.25 : x
2. Step 2: Convert to fraction form
   7,068,957,052.50/10,542,134,405.25 = 10,542,134,405.25/x
3. Step 3: Cross multiply
   7,068,957,052.50x = 10,542,134,405.25 × 10,542,134,405.25
4. Step 4: Simplify right side
   7,068,957,052.50x = 111,136,597,818,355,777,536
5. Step 5: Solve for x
   x = 111,136,597,818,355,777,536/7,068,957,052.50
6. Step 6: Final answer
   x = 15,721,781,444.27