Finding the Third Proportional to 70,701.61 and 98,897.20

Step by Step Solution

1. Step 1: Write the proportion equation
   70,701.61 : 98,897.20 = 98,897.20 : x
2. Step 2: Convert to fraction form
   70,701.61/98,897.20 = 98,897.20/x
3. Step 3: Cross multiply
   70,701.61x = 98,897.20 × 98,897.20
4. Step 4: Simplify right side
   70,701.61x = 9,780,656,785.95
5. Step 5: Solve for x
   x = 9,780,656,785.95/70,701.61
6. Step 6: Final answer
   x = 138,337.12