Finding the Third Proportional to 85,184,699.50 and 139,084,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,184,699.50 : 139,084,217.50 = 139,084,217.50 : x
2. Step 2: Convert to fraction form
   85,184,699.50/139,084,217.50 = 139,084,217.50/x
3. Step 3: Cross multiply
   85,184,699.50x = 139,084,217.50 × 139,084,217.50
4. Step 4: Simplify right side
   85,184,699.50x = 19,344,419,557,587,308
5. Step 5: Solve for x
   x = 19,344,419,557,587,308/85,184,699.50
6. Step 6: Final answer
   x = 227,087,959.12