Finding the Third Proportional to 64,560 and 94,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,560 : 94,870.50 = 94,870.50 : x
2. Step 2: Convert to fraction form
   64,560/94,870.50 = 94,870.50/x
3. Step 3: Cross multiply
   64,560x = 94,870.50 × 94,870.50
4. Step 4: Simplify right side
   64,560x = 9,000,411,770.25
5. Step 5: Solve for x
   x = 9,000,411,770.25/64,560
6. Step 6: Final answer
   x = 139,411.58