Finding the Third Proportional to 72,722,321 and 156,982,160

Step by Step Solution

1. Step 1: Write the proportion equation
   72,722,321 : 156,982,160 = 156,982,160 : x
2. Step 2: Convert to fraction form
   72,722,321/156,982,160 = 156,982,160/x
3. Step 3: Cross multiply
   72,722,321x = 156,982,160 × 156,982,160
4. Step 4: Simplify right side
   72,722,321x = 24,643,398,558,265,600
5. Step 5: Solve for x
   x = 24,643,398,558,265,600/72,722,321
6. Step 6: Final answer
   x = 338,869,802.55