Finding the Third Proportional to 82,413,389,152.50 and 178,518,157,848

Step by Step Solution

1. Step 1: Write the proportion equation
   82,413,389,152.50 : 178,518,157,848 = 178,518,157,848 : x
2. Step 2: Convert to fraction form
   82,413,389,152.50/178,518,157,848 = 178,518,157,848/x
3. Step 3: Cross multiply
   82,413,389,152.50x = 178,518,157,848 × 178,518,157,848
4. Step 4: Simplify right side
   82,413,389,152.50x = 31,868,732,681,443,445,047,296
5. Step 5: Solve for x
   x = 31,868,732,681,443,445,047,296/82,413,389,152.50
6. Step 6: Final answer
   x = 386,693,630,842.83