Finding the Third Proportional to 9,658,564 and 13,070,630

Step by Step Solution

1. Step 1: Write the proportion equation
   9,658,564 : 13,070,630 = 13,070,630 : x
2. Step 2: Convert to fraction form
   9,658,564/13,070,630 = 13,070,630/x
3. Step 3: Cross multiply
   9,658,564x = 13,070,630 × 13,070,630
4. Step 4: Simplify right side
   9,658,564x = 170,841,368,596,900
5. Step 5: Solve for x
   x = 170,841,368,596,900/9,658,564
6. Step 6: Final answer
   x = 17,688,071.29