Finding the Third Proportional to 35,918,096 and 78,789,417

Step by Step Solution

1. Step 1: Write the proportion equation
   35,918,096 : 78,789,417 = 78,789,417 : x
2. Step 2: Convert to fraction form
   35,918,096/78,789,417 = 78,789,417/x
3. Step 3: Cross multiply
   35,918,096x = 78,789,417 × 78,789,417
4. Step 4: Simplify right side
   35,918,096x = 6,207,772,231,199,889
5. Step 5: Solve for x
   x = 6,207,772,231,199,889/35,918,096
6. Step 6: Final answer
   x = 172,831,328.01