Finding the Third Proportional to 69,012,601 and 147,719,688

Step by Step Solution

1. Step 1: Write the proportion equation
   69,012,601 : 147,719,688 = 147,719,688 : x
2. Step 2: Convert to fraction form
   69,012,601/147,719,688 = 147,719,688/x
3. Step 3: Cross multiply
   69,012,601x = 147,719,688 × 147,719,688
4. Step 4: Simplify right side
   69,012,601x = 21,821,106,222,817,344
5. Step 5: Solve for x
   x = 21,821,106,222,817,344/69,012,601
6. Step 6: Final answer
   x = 316,190,172.62