Finding the Third Proportional to 30,807 and 63,070.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,807 : 63,070.88 = 63,070.88 : x
2. Step 2: Convert to fraction form
   30,807/63,070.88 = 63,070.88/x
3. Step 3: Cross multiply
   30,807x = 63,070.88 × 63,070.88
4. Step 4: Simplify right side
   30,807x = 3,977,935,273.27
5. Step 5: Solve for x
   x = 3,977,935,273.27/30,807
6. Step 6: Final answer
   x = 129,124.40