Finding the Third Proportional to 7,068,957,070.50 and 10,542,134,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068,957,070.50 : 10,542,134,434.50 = 10,542,134,434.50 : x
2. Step 2: Convert to fraction form
   7,068,957,070.50/10,542,134,434.50 = 10,542,134,434.50/x
3. Step 3: Cross multiply
   7,068,957,070.50x = 10,542,134,434.50 × 10,542,134,434.50
4. Step 4: Simplify right side
   7,068,957,070.50x = 111,136,598,435,070,640,128
5. Step 5: Solve for x
   x = 111,136,598,435,070,640,128/7,068,957,070.50
6. Step 6: Final answer
   x = 15,721,781,491.48