Finding the Third Proportional to 78,632,669.25 and 117,267,111

Step by Step Solution

1. Step 1: Write the proportion equation
   78,632,669.25 : 117,267,111 = 117,267,111 : x
2. Step 2: Convert to fraction form
   78,632,669.25/117,267,111 = 117,267,111/x
3. Step 3: Cross multiply
   78,632,669.25x = 117,267,111 × 117,267,111
4. Step 4: Simplify right side
   78,632,669.25x = 13,751,575,322,286,320
5. Step 5: Solve for x
   x = 13,751,575,322,286,320/78,632,669.25
6. Step 6: Final answer
   x = 174,883,740.48