Finding the Third Proportional to 30,980,606 and 67,334,428

Step by Step Solution

1. Step 1: Write the proportion equation
   30,980,606 : 67,334,428 = 67,334,428 : x
2. Step 2: Convert to fraction form
   30,980,606/67,334,428 = 67,334,428/x
3. Step 3: Cross multiply
   30,980,606x = 67,334,428 × 67,334,428
4. Step 4: Simplify right side
   30,980,606x = 4,533,925,194,087,184
5. Step 5: Solve for x
   x = 4,533,925,194,087,184/30,980,606
6. Step 6: Final answer
   x = 146,347,208.12