Finding the Third Proportional to 139,671,030 and 329,243,460

Step by Step Solution

1. Step 1: Write the proportion equation
   139,671,030 : 329,243,460 = 329,243,460 : x
2. Step 2: Convert to fraction form
   139,671,030/329,243,460 = 329,243,460/x
3. Step 3: Cross multiply
   139,671,030x = 329,243,460 × 329,243,460
4. Step 4: Simplify right side
   139,671,030x = 108,401,255,952,771,600
5. Step 5: Solve for x
   x = 108,401,255,952,771,600/139,671,030
6. Step 6: Final answer
   x = 776,118,397.30