Finding the Third Proportional to 81,817,141.50 and 181,795,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,817,141.50 : 181,795,495.50 = 181,795,495.50 : x
2. Step 2: Convert to fraction form
   81,817,141.50/181,795,495.50 = 181,795,495.50/x
3. Step 3: Cross multiply
   81,817,141.50x = 181,795,495.50 × 181,795,495.50
4. Step 4: Simplify right side
   81,817,141.50x = 33,049,602,184,090,520
5. Step 5: Solve for x
   x = 33,049,602,184,090,520/81,817,141.50
6. Step 6: Final answer
   x = 403,944,718.41