Finding the Third Proportional to 45,688.13 and 68,531.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,688.13 : 68,531.94 = 68,531.94 : x
2. Step 2: Convert to fraction form
   45,688.13/68,531.94 = 68,531.94/x
3. Step 3: Cross multiply
   45,688.13x = 68,531.94 × 68,531.94
4. Step 4: Simplify right side
   45,688.13x = 4,696,626,457.50
5. Step 5: Solve for x
   x = 4,696,626,457.50/45,688.13
6. Step 6: Final answer
   x = 102,797.53