Finding the Third Proportional to 59,402 and 78,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,402 : 78,518.50 = 78,518.50 : x
2. Step 2: Convert to fraction form
   59,402/78,518.50 = 78,518.50/x
3. Step 3: Cross multiply
   59,402x = 78,518.50 × 78,518.50
4. Step 4: Simplify right side
   59,402x = 6,165,154,842.25
5. Step 5: Solve for x
   x = 6,165,154,842.25/59,402
6. Step 6: Final answer
   x = 103,786.99