Finding the Third Proportional to 91,072,270.13 and 139,898,146.63

Step by Step Solution

1. Step 1: Write the proportion equation
   91,072,270.13 : 139,898,146.63 = 139,898,146.63 : x
2. Step 2: Convert to fraction form
   91,072,270.13/139,898,146.63 = 139,898,146.63/x
3. Step 3: Cross multiply
   91,072,270.13x = 139,898,146.63 × 139,898,146.63
4. Step 4: Simplify right side
   91,072,270.13x = 19,571,491,429,110,000
5. Step 5: Solve for x
   x = 19,571,491,429,110,000/91,072,270.13
6. Step 6: Final answer
   x = 214,900,665.18