Finding the Third Proportional to 139,700,900.25 and 293,881,928.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,700,900.25 : 293,881,928.25 = 293,881,928.25 : x
2. Step 2: Convert to fraction form
   139,700,900.25/293,881,928.25 = 293,881,928.25/x
3. Step 3: Cross multiply
   139,700,900.25x = 293,881,928.25 × 293,881,928.25
4. Step 4: Simplify right side
   139,700,900.25x = 86,366,587,751,938,144
5. Step 5: Solve for x
   x = 86,366,587,751,938,144/139,700,900.25
6. Step 6: Final answer
   x = 618,224,990.66