Finding the Third Proportional to 128,689,068.38 and 181,222,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,689,068.38 : 181,222,564.50 = 181,222,564.50 : x
2. Step 2: Convert to fraction form
   128,689,068.38/181,222,564.50 = 181,222,564.50/x
3. Step 3: Cross multiply
   128,689,068.38x = 181,222,564.50 × 181,222,564.50
4. Step 4: Simplify right side
   128,689,068.38x = 32,841,617,883,956,660
5. Step 5: Solve for x
   x = 32,841,617,883,956,660/128,689,068.38
6. Step 6: Final answer
   x = 255,201,302.63