Finding the Third Proportional to 27,145,816.50 and 59,168,805

Step by Step Solution

1. Step 1: Write the proportion equation
   27,145,816.50 : 59,168,805 = 59,168,805 : x
2. Step 2: Convert to fraction form
   27,145,816.50/59,168,805 = 59,168,805/x
3. Step 3: Cross multiply
   27,145,816.50x = 59,168,805 × 59,168,805
4. Step 4: Simplify right side
   27,145,816.50x = 3,500,947,485,128,025
5. Step 5: Solve for x
   x = 3,500,947,485,128,025/27,145,816.50
6. Step 6: Final answer
   x = 128,968,214.50