Finding the Third Proportional to 71,290,428 and 152,812,460

Step by Step Solution

1. Step 1: Write the proportion equation
   71,290,428 : 152,812,460 = 152,812,460 : x
2. Step 2: Convert to fraction form
   71,290,428/152,812,460 = 152,812,460/x
3. Step 3: Cross multiply
   71,290,428x = 152,812,460 × 152,812,460
4. Step 4: Simplify right side
   71,290,428x = 23,351,647,931,251,600
5. Step 5: Solve for x
   x = 23,351,647,931,251,600/71,290,428
6. Step 6: Final answer
   x = 327,556,568.06