Finding the Third Proportional to 43,213 and 70,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,213 : 70,562.50 = 70,562.50 : x
2. Step 2: Convert to fraction form
   43,213/70,562.50 = 70,562.50/x
3. Step 3: Cross multiply
   43,213x = 70,562.50 × 70,562.50
4. Step 4: Simplify right side
   43,213x = 4,979,066,406.25
5. Step 5: Solve for x
   x = 4,979,066,406.25/43,213
6. Step 6: Final answer
   x = 115,221.49