Finding the Third Proportional to 60,643.69 and 91,802.74

Step by Step Solution

1. Step 1: Write the proportion equation
   60,643.69 : 91,802.74 = 91,802.74 : x
2. Step 2: Convert to fraction form
   60,643.69/91,802.74 = 91,802.74/x
3. Step 3: Cross multiply
   60,643.69x = 91,802.74 × 91,802.74
4. Step 4: Simplify right side
   60,643.69x = 8,427,743,473.14
5. Step 5: Solve for x
   x = 8,427,743,473.14/60,643.69
6. Step 6: Final answer
   x = 138,971.49