Finding the Third Proportional to 78,705.50 and 88,547

Step by Step Solution

1. Step 1: Write the proportion equation
   78,705.50 : 88,547 = 88,547 : x
2. Step 2: Convert to fraction form
   78,705.50/88,547 = 88,547/x
3. Step 3: Cross multiply
   78,705.50x = 88,547 × 88,547
4. Step 4: Simplify right side
   78,705.50x = 7,840,571,209
5. Step 5: Solve for x
   x = 7,840,571,209/78,705.50
6. Step 6: Final answer
   x = 99,619.10