Finding the Third Proportional to 69,012,600 and 147,719,685

Step by Step Solution

1. Step 1: Write the proportion equation
   69,012,600 : 147,719,685 = 147,719,685 : x
2. Step 2: Convert to fraction form
   69,012,600/147,719,685 = 147,719,685/x
3. Step 3: Cross multiply
   69,012,600x = 147,719,685 × 147,719,685
4. Step 4: Simplify right side
   69,012,600x = 21,821,105,336,499,224
5. Step 5: Solve for x
   x = 21,821,105,336,499,224/69,012,600
6. Step 6: Final answer
   x = 316,190,164.35