Finding the Third Proportional to 69,012,664 and 147,719,824

Step by Step Solution

1. Step 1: Write the proportion equation
   69,012,664 : 147,719,824 = 147,719,824 : x
2. Step 2: Convert to fraction form
   69,012,664/147,719,824 = 147,719,824/x
3. Step 3: Cross multiply
   69,012,664x = 147,719,824 × 147,719,824
4. Step 4: Simplify right side
   69,012,664x = 21,821,146,402,590,976
5. Step 5: Solve for x
   x = 21,821,146,402,590,976/69,012,664
6. Step 6: Final answer
   x = 316,190,466.18