Finding the Third Proportional to 42,795.53 and 66,784.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,795.53 : 66,784.06 = 66,784.06 : x
2. Step 2: Convert to fraction form
   42,795.53/66,784.06 = 66,784.06/x
3. Step 3: Cross multiply
   42,795.53x = 66,784.06 × 66,784.06
4. Step 4: Simplify right side
   42,795.53x = 4,460,111,330.10
5. Step 5: Solve for x
   x = 4,460,111,330.10/42,795.53
6. Step 6: Final answer
   x = 104,219.10