Finding the Third Proportional to 42,810.71 and 60,851.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,810.71 : 60,851.57 = 60,851.57 : x
2. Step 2: Convert to fraction form
   42,810.71/60,851.57 = 60,851.57/x
3. Step 3: Cross multiply
   42,810.71x = 60,851.57 × 60,851.57
4. Step 4: Simplify right side
   42,810.71x = 3,702,913,134.09
5. Step 5: Solve for x
   x = 3,702,913,134.09/42,810.71
6. Step 6: Final answer
   x = 86,495.01