Finding the Third Proportional to 61,583,476 and 86,097,328

Step by Step Solution

1. Step 1: Write the proportion equation
   61,583,476 : 86,097,328 = 86,097,328 : x
2. Step 2: Convert to fraction form
   61,583,476/86,097,328 = 86,097,328/x
3. Step 3: Cross multiply
   61,583,476x = 86,097,328 × 86,097,328
4. Step 4: Simplify right side
   61,583,476x = 7,412,749,888,739,584
5. Step 5: Solve for x
   x = 7,412,749,888,739,584/61,583,476
6. Step 6: Final answer
   x = 120,369,137.47