Finding the Third Proportional to 91,072,284 and 139,898,166

Step by Step Solution

1. Step 1: Write the proportion equation
   91,072,284 : 139,898,166 = 139,898,166 : x
2. Step 2: Convert to fraction form
   91,072,284/139,898,166 = 139,898,166/x
3. Step 3: Cross multiply
   91,072,284x = 139,898,166 × 139,898,166
4. Step 4: Simplify right side
   91,072,284x = 19,571,496,850,163,556
5. Step 5: Solve for x
   x = 19,571,496,850,163,556/91,072,284
6. Step 6: Final answer
   x = 214,900,691.96