Finding the Third Proportional to 59,620,464 and 89,729,221

Step by Step Solution

1. Step 1: Write the proportion equation
   59,620,464 : 89,729,221 = 89,729,221 : x
2. Step 2: Convert to fraction form
   59,620,464/89,729,221 = 89,729,221/x
3. Step 3: Cross multiply
   59,620,464x = 89,729,221 × 89,729,221
4. Step 4: Simplify right side
   59,620,464x = 8,051,333,101,266,841
5. Step 5: Solve for x
   x = 8,051,333,101,266,841/59,620,464
6. Step 6: Final answer
   x = 135,043,113.74