Finding the Third Proportional to 71,748,672 and 111,403,008

Step by Step Solution

1. Step 1: Write the proportion equation
   71,748,672 : 111,403,008 = 111,403,008 : x
2. Step 2: Convert to fraction form
   71,748,672/111,403,008 = 111,403,008/x
3. Step 3: Cross multiply
   71,748,672x = 111,403,008 × 111,403,008
4. Step 4: Simplify right side
   71,748,672x = 12,410,630,191,448,064
5. Step 5: Solve for x
   x = 12,410,630,191,448,064/71,748,672
6. Step 6: Final answer
   x = 172,973,657.15