Finding the Third Proportional to 81,016,726.50 and 115,771,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,016,726.50 : 115,771,018.50 = 115,771,018.50 : x
2. Step 2: Convert to fraction form
   81,016,726.50/115,771,018.50 = 115,771,018.50/x
3. Step 3: Cross multiply
   81,016,726.50x = 115,771,018.50 × 115,771,018.50
4. Step 4: Simplify right side
   81,016,726.50x = 13,402,928,724,527,342
5. Step 5: Solve for x
   x = 13,402,928,724,527,342/81,016,726.50
6. Step 6: Final answer
   x = 165,434,093.72