Finding the Third Proportional to 69,012,597.75 and 147,719,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,012,597.75 : 147,719,680.50 = 147,719,680.50 : x
2. Step 2: Convert to fraction form
   69,012,597.75/147,719,680.50 = 147,719,680.50/x
3. Step 3: Cross multiply
   69,012,597.75x = 147,719,680.50 × 147,719,680.50
4. Step 4: Simplify right side
   69,012,597.75x = 21,821,104,007,022,080
5. Step 5: Solve for x
   x = 21,821,104,007,022,080/69,012,597.75
6. Step 6: Final answer
   x = 316,190,155.40