Finding the Third Proportional to 59,850 and 91,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,850 : 91,066.50 = 91,066.50 : x
2. Step 2: Convert to fraction form
   59,850/91,066.50 = 91,066.50/x
3. Step 3: Cross multiply
   59,850x = 91,066.50 × 91,066.50
4. Step 4: Simplify right side
   59,850x = 8,293,107,422.25
5. Step 5: Solve for x
   x = 8,293,107,422.25/59,850
6. Step 6: Final answer
   x = 138,564.87