Finding the Third Proportional to 91,072,287 and 139,898,171.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,072,287 : 139,898,171.25 = 139,898,171.25 : x
2. Step 2: Convert to fraction form
   91,072,287/139,898,171.25 = 139,898,171.25/x
3. Step 3: Cross multiply
   91,072,287x = 139,898,171.25 × 139,898,171.25
4. Step 4: Simplify right side
   91,072,287x = 19,571,498,319,094,328
5. Step 5: Solve for x
   x = 19,571,498,319,094,328/91,072,287
6. Step 6: Final answer
   x = 214,900,701.01