Finding the Third Proportional to 42,363 and 62,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,363 : 62,128.69 = 62,128.69 : x
2. Step 2: Convert to fraction form
   42,363/62,128.69 = 62,128.69/x
3. Step 3: Cross multiply
   42,363x = 62,128.69 × 62,128.69
4. Step 4: Simplify right side
   42,363x = 3,859,973,810.47
5. Step 5: Solve for x
   x = 3,859,973,810.47/42,363
6. Step 6: Final answer
   x = 91,116.63