Finding the Third Proportional to 42,927.19 and 65,666.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,927.19 : 65,666.81 = 65,666.81 : x
2. Step 2: Convert to fraction form
   42,927.19/65,666.81 = 65,666.81/x
3. Step 3: Cross multiply
   42,927.19x = 65,666.81 × 65,666.81
4. Step 4: Simplify right side
   42,927.19x = 4,312,130,263.91
5. Step 5: Solve for x
   x = 4,312,130,263.91/42,927.19
6. Step 6: Final answer
   x = 100,452.20