Finding the Third Proportional to 39,518.13 and 70,264.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,518.13 : 70,264.63 = 70,264.63 : x
2. Step 2: Convert to fraction form
   39,518.13/70,264.63 = 70,264.63/x
3. Step 3: Cross multiply
   39,518.13x = 70,264.63 × 70,264.63
4. Step 4: Simplify right side
   39,518.13x = 4,937,117,526.39
5. Step 5: Solve for x
   x = 4,937,117,526.39/39,518.13
6. Step 6: Final answer
   x = 124,932.99