Finding the Third Proportional to 89,081,431.50 and 186,307,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,081,431.50 : 186,307,606.50 = 186,307,606.50 : x
2. Step 2: Convert to fraction form
   89,081,431.50/186,307,606.50 = 186,307,606.50/x
3. Step 3: Cross multiply
   89,081,431.50x = 186,307,606.50 × 186,307,606.50
4. Step 4: Simplify right side
   89,081,431.50x = 34,710,524,239,758,844
5. Step 5: Solve for x
   x = 34,710,524,239,758,844/89,081,431.50
6. Step 6: Final answer
   x = 389,649,376.48