Finding the Third Proportional to 35,645,210 and 76,406,221

Step by Step Solution

1. Step 1: Write the proportion equation
   35,645,210 : 76,406,221 = 76,406,221 : x
2. Step 2: Convert to fraction form
   35,645,210/76,406,221 = 76,406,221/x
3. Step 3: Cross multiply
   35,645,210x = 76,406,221 × 76,406,221
4. Step 4: Simplify right side
   35,645,210x = 5,837,910,607,500,841
5. Step 5: Solve for x
   x = 5,837,910,607,500,841/35,645,210
6. Step 6: Final answer
   x = 163,778,263.83