Finding the Third Proportional to 67,045 and 99,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,045 : 99,407.50 = 99,407.50 : x
2. Step 2: Convert to fraction form
   67,045/99,407.50 = 99,407.50/x
3. Step 3: Cross multiply
   67,045x = 99,407.50 × 99,407.50
4. Step 4: Simplify right side
   67,045x = 9,881,851,056.25
5. Step 5: Solve for x
   x = 9,881,851,056.25/67,045
6. Step 6: Final answer
   x = 147,391.32