Finding the Third Proportional to 344,043,575,253 and 478,365,091,020

Step by Step Solution

1. Step 1: Write the proportion equation
   344,043,575,253 : 478,365,091,020 = 478,365,091,020 : x
2. Step 2: Convert to fraction form
   344,043,575,253/478,365,091,020 = 478,365,091,020/x
3. Step 3: Cross multiply
   344,043,575,253x = 478,365,091,020 × 478,365,091,020
4. Step 4: Simplify right side
   344,043,575,253x = 228,833,160,306,572,870,549,504
5. Step 5: Solve for x
   x = 228,833,160,306,572,870,549,504/344,043,575,253
6. Step 6: Final answer
   x = 665,128,421,997.99