Finding the Third Proportional to 61,513,068 and 86,525,850

Step by Step Solution

1. Step 1: Write the proportion equation
   61,513,068 : 86,525,850 = 86,525,850 : x
2. Step 2: Convert to fraction form
   61,513,068/86,525,850 = 86,525,850/x
3. Step 3: Cross multiply
   61,513,068x = 86,525,850 × 86,525,850
4. Step 4: Simplify right side
   61,513,068x = 7,486,722,718,222,500
5. Step 5: Solve for x
   x = 7,486,722,718,222,500/61,513,068
6. Step 6: Final answer
   x = 121,709,466.97